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Eapearl Chemical
Diethylene glycol dimethyl ether, CAS 110-71-4 — chemical product label

Diethylene glycol dimethyl ether

DME

CAS 110-71-4 EC 203-794-9 C4H10O2 Ether SDS published CLP Danger

⚠️ Note: This safety data sheet is provided in English; a localized version is being prepared.

MolGod_SDSCARD_1
REACH 2020/878
v2 · 08.09.2026

Specification

Product NameDiethylene glycol dimethyl ether
Other NamesDME
CAS No.110-71-4
EINECS No.203-794-9
MFC4H10O2
Molecular weight90.121
Purity99.0%
AppearanceColorless liquid
Density0.837g/cm 3
Melting point-69 °C
Boiling point63°C at 760 mmHg
Flashing point32 °F

Values are typical for the standard grade. Tighter specifications are available — state the target in your inquiry and we confirm against the production batch.

Hazard classification

GHS pictogram GHS02 — Flammable GHS pictogram GHS07 — Irritant / harmful GHS pictogram GHS08 — Health hazard

Danger

Harmonised classification (EU) — ECHA Annex VI (harmonised, ATP 23; 2026-07-07)

  • H225 Highly flammable liquid and vapour
  • H360FD May damage fertility. May damage the unborn child
  • H332 Harmful if inhaled
  • EUH019 May form explosive peroxides.
Precautionary statements (1)
  • P203 Obtain, read and follow all safety instructions before use
Full safety data sheet CLP label (EN)

European Chemicals Agency. "1,2-dimethoxyethane; ethylene glycol dimethyl ether; EGDME, Index No. 603-031-00-3." In Table 3 of Annex VI to Regulation (EC) No 1272/2008 (CLP Regulation), 23rd Adaptation to Technical Progress (harmonised list as of 2026-07-07). Helsinki: European Chemicals Agency, 2026. https://echa.europa.eu/information-on-chemicals/annex-vi-to-clp.

Substance identity verified against the registry entry on 2026-09-02.

Packaging and shipping

Drum225 kg
IBC Drum1127 kg
ISO tank (20ft)24–26 m³
ISO tank (40ft)48–50 m³
Diethylene glycol dimethyl ether
Diethylene glycol dimethyl ether
Diethylene glycol dimethyl ether
Diethylene glycol dimethyl ether
Diethylene glycol dimethyl ether

Diethylene glycol dimethyl ether (DME) is the fundamental and core member of the dimethyl ether family. It is renowned for its low boiling point (~85°C), high polarity, excellent solvation ability for alkali metal ions, and outstanding stability towards strongly basic organometallic reagents (such as Grignard reagents, organic lithium). It can significantly reduce the viscosity of the electrolyte, enhance the ionic conductivity, and due to its low boiling point characteristic, is particularly suitable for processes and applications that require rapid drying or operation under low-temperature conditions.

Diethylene glycol dimethyl ether (DME/1,2-dimethoxyethane) is a low-boiling-point non-polar polar solvent, providing applications such as electrolyte, organic synthesis, electronic cleaningDiethylene glycol dimethyl ether (DME/1,2-dimethoxyethane) is a low-boiling-point non-polar polar solvent, providing applications such as electrolyte, organic synthesis, electronic cleaningDiethylene glycol dimethyl ether (DME/1,2-dimethoxyethane) is a low-boiling-point non-polar polar solvent, providing applications such as electrolyte, organic synthesis, electronic cleaning

Diethylene glycol dimethyl ether (DME/1,2-dimethoxyethane) is a low-boiling-point non-polar polar solvent, providing applications such as electrolyte, organic synthesis, electronic cleaning

Product Description

Anhui Eapearl Chemical Co., Ltd., as a professional supplier in the field of high-purity specialty solvents in China, relying on advanced production and purification technologies, now offers the market high-purity and high-performance diethylene glycol monomethyl ether (DME). We are committed to transforming this top-notch non-protonic polar solvent, which has low boiling point, high polarity, wide electrochemical window, and excellent chemical stability, into a key material for achieving high-performance and low-temperature breakthroughs in fields such as new energy batteries, high-end organic synthesis, and precision electronic cleaning. 

Product Core Positioning 

Core solvent for high-performance lithium/sodium battery electrolytes: As a key component of electrolytes for lithium-ion batteries, lithium-metal batteries, and sodium-ion batteries, DME, with its high dielectric constant, low viscosity, and high solubility for lithium/sodium salts, can significantly enhance the ionic conductivity and low-temperature performance of the electrolyte. Its wide electrochemical window supports high-voltage cathode materials and is one of the preferred solvents for developing battery systems with high rate capability, long cycle life, and excellent low-temperature performance. 

Preferred solvents for advanced organic synthesis (Grignard/coupling reactions): In Grignard reactions, organic lithium reactions, transition metal-catalyzed coupling reactions (such as Suzuki, Negishi), and various reactions that require a strong polar aprotic environment, DME, due to its high stability and strong solubility of organic metal reagents, can significantly increase reaction rate, yield, and selectivity. It is a star solvent for synthesizing pharmaceutical intermediates, pesticide raw materials, and advanced materials. 

Electronic-grade precision cleaning and lithography process: Thanks to its strong dissolving power, low boiling point (quick drying), and low residue characteristics, high-purity DME is widely used in the precision cleaning and removal of photoresist during the manufacturing processes of semiconductor wafers, display panels, and precision optical components. It can quickly evaporate without leaving any traces, meeting the ultimate requirements of the high-end electronic manufacturing industry for efficiency and cleanliness. 

Special polymer synthesis (anionic polymerization) medium: As an ideal solvent for anionic active polymerization, DME can effectively control the active centers and precisely regulate the molecular weight and distribution of the polymers. It is widely used in the synthesis of high-performance elastomers and plastics such as styrene-butadiene-styrene block copolymer (SBS) and polystyrene. 

Special functional fluid and gas treatment: It can be used to prepare special thermal conductive fluids or hydraulic fluids that require low freezing points and high polarity. It also has certain physical absorption capabilities for some acidic gases.

Anhui Eapearl Chemical Co., Ltd., with high-performance specialty solvents such as diethylene glycol dimethyl ether (DME), has always been committed to empowering scientific innovation and precision manufacturing. We are not only a raw material supplier, but also a reliable partner for your pursuit of superior performance and process breakthroughs. Choosing us means choosing purity, safety and professionalism.

Diethylene glycol dimethyl ether (DME/1,2-dimethoxyethane) is a low-boiling-point non-polar polar solvent, providing applications such as electrolyte, organic synthesis, electronic cleaning

Diethylene glycol dimethyl ether (DME/1,2-dimethoxyethane) is a low-boiling-point non-polar polar solvent, providing applications such as electrolyte, organic synthesis, electronic cleaning

Delivery&Payment method

Diethylene glycol dimethyl ether (DME/1,2-dimethoxyethane) is a low-boiling-point non-polar polar solvent, providing applications such as electrolyte, organic synthesis, electronic cleaning

Frequently asked

In what packaging is Diethylene glycol dimethyl ether shipped?

Standard formats are Drum (225 kg), IBC Drum (1127 kg), ISO tank (20ft) (24–26 m³), ISO tank (40ft) (48–50 m³). Other packaging can be arranged for full-container orders.

Is a safety data sheet available for Diethylene glycol dimethyl ether?

Yes. A full safety data sheet for CAS 110-71-4 is published and linked from this page; a signed copy is issued with the shipping documents.

What purity do you supply?

The standard grade is 99.0%. Tighter specifications are confirmed against the production batch before shipment.

Technical reading on Diethylene glycol dimethyl ether

Diglyme: H360FD, peroxides, NMP swaps

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🧬 Visualiseur de molécule 3D
Chargement de la molécule...
Modèle 3D 1,2-Dimethoxyethane, CAS 110-71-4, formule brute C4H10O2, masse molaire 90.12 g/mol

Données transcrites à partir de registres réglementaires et de la littérature spécialisée, avec indication de la source et de l'édition. Elles ne remplacent pas la fiche de données de sécurité du fournisseur. Les champs sans source enregistrée sont signalés comme tels.

📊 Données physicochimiques — CAS 110-71-4MolGod_PROPHUB_MAIN
📊 Propriétés physicochimiques

Aperçu rapide

Formule : C4H10O2
MW : 90.12 g/mol
CAS : 110-71-4
Aspect : WATER-WHITE LIQUID
Odeur : SHARP ETHEREAL ODOR

Propriétés détaillées

A supplement to the „Physicochemical properties (database)” table below — repeated values are shown only once.

Propriété Valeur Unité Conditions Source
Point d'éclair 0 °C (NTP, 1992) CAMEO Chemicals ↗
Pression de vapeur 40 mmHg at 10.7 °C ; 60 mmHg at 19.7 °C (NTP, 1992)[1] CAMEO Chemicals ↗
Indice de réfraction (nD) INDEX OF REFRACTION: 1.3813 @ 20 °C/D, 1.3739 @ 24 °C/D[1][2] Hazardous Substances Data Bank (HSDB) ↗
🔬 Propriétés avancées

Identifiants chimiques

SMILES: COCCOC
InChI: InChI=1S/C4H10O2/c1-5-3-4-6-2/h3-4H2,1-2H3
InChIKey: XTHFKEDIFFGKHM-UHFFFAOYSA-N

Sources de données : CAMEO Chemicals, Hazardous Substances Data Bank (HSDB)

Dernière mise à jour : non confirmée

📚 Références scientifiques (Chicago Author-Date) (2 sources)
  1. PubChem. National Center for Biotechnology Information (NIH/NLM), chemical compound database. ↗ dotyczy: Pression de vapeur · Indice de réfraction (nD)
  2. NLM. Hazardous Substances Data Bank (HSDB). National Library of Medicine. ↗ dotyczy: Indice de réfraction (nD)
Aperçu chimique: 1,2-DimethoxyethaneMolGod_OVERVIEW_1
Formule bruteC4H10O2[1]
Masse moléculaire90.12 g/mol[1]
Point de fusion-58 °C
Point d'ébullition85 °C[1][2]
Densité0.86 g/cm³[1]
LogP (lipophilie)-0.2[1]
Nom IUPAC1,2-dimethoxyethane[1]
SMILESCOCCOC[1]
InChIKeyXTHFKEDIFFGKHM-UHFFFAOYSA-N[1]

Synonymes: 1,2-DIMETHOXYETHANE · 110-71-4 · Monoglyme · Ethylene glycol dimethyl ether · Glyme

Sources de données : PubChem (NLM/NIH)
Dernière mise à jour : 2026-09-21

📚 Références scientifiques (Chicago Author-Date) (2 sources)
  1. PubChem. National Center for Biotechnology Information (NIH/NLM), chemical compound database. ↗ dotyczy: Formule brute · Masse moléculaire · Point d'ébullition · Densité · LogP (lipophilie) · Nom IUPAC · SMILES · InChIKey
  2. NIST. Chemistry WebBook, SRD 69. National Institute of Standards and Technology. ↗ dotyczy: Point d'ébullition

RECHERCHE SCIENTIFIQUE

[1]Doaj2026
{5,15-Bis[3,5-bis(6′-methyl-2,2′-bipyridyl-6-yl)phenyl]-10,20-diphenylporphyrin}zinc(II) 1,2-dimethoxyethane 0.296-solvate
Aguri Akitomi, Yuta Kato, Yosuke Hosoya et al.. (2026). "{5,15-Bis[3,5-bis(6′-methyl-2,2′-bipyridyl-6-yl)phenyl]-10,20-diphenylporphyrin}zinc(II) 1,2-dimethoxyethane 0.296-solvate". IUCrData. https://
Accéder à l'étude complète ↗
[2]Doaj2026
Crystal structure of (dibenzo-21-crown-7)diiodidosamarium(II) 1,2-dimethoxyethane hemisolvate
Hannah B. Wineinger, Joseph M. Sperling, Thomas E. Albrecht. (2026). "Crystal structure of (dibenzo-21-crown-7)diiodidosamarium(II) 1,2-dimethoxyethane hemisolvate". Acta Crystallographica Section E:
Accéder à l'étude complète ↗
[3]Europe PMC2022
Synthesis, characterization, X-ray and electronic structures of diethyl ether and 1,2-dimethoxyethane adducts of molybdenum(IV) chloride and tungsten(IV) chloride.
et al.. (2022). "Synthesis, characterization, X-ray and electronic structures of diethyl ether and 1,2-dimethoxyethane adducts of molybdenum(IV) chloride and tungsten(IV) chloride.". https://doi.org/1
Accéder à l'étude complète ↗
[4]Europe PMC2021
Electrochemical behavior and electrodeposition of gallium in 1,2-dimethoxyethane-based electrolytes.
et al.. (2021). "Electrochemical behavior and electrodeposition of gallium in 1,2-dimethoxyethane-based electrolytes.". https://doi.org/10.1039/d1cp01074c
Accéder à l'étude complète ↗
[5]Europe PMC2021
Analysis of Cooperativity and Group Additivity in the Hydration of 1,2-Dimethoxyethane.
(2021). "Analysis of Cooperativity and Group Additivity in the Hydration of 1,2-Dimethoxyethane.". https://doi.org/10.1021/acs.jpcb.0c10729
Accéder à l'étude complète ↗
[6]Doaj2019
PHASE BEHAVIOUR CALCULATIONS FOR THE CARBON DIOXIDE + 1,2-DIMETHOXYETHANE BINARY SYSTEM WITH A CUBIC EQUATION OF STATE
Sergiu SIMA, Radu C. RACOVIŢĂ, Aurel CHIRILĂ et al.. (2019). "PHASE BEHAVIOUR CALCULATIONS FOR THE CARBON DIOXIDE + 1,2-DIMETHOXYETHANE BINARY SYSTEM WITH A CUBIC EQUATION OF STATE". Studia Univer
Accéder à l'étude complète ↗
[7]Europe PMC2018
Influence of a Lewis acid and a Brønsted acid on the conversion of microcrystalline cellulose into 5-hydroxymethylfurfural in…
et al.. (2018). "Influence of a Lewis acid and a Brønsted acid on the conversion of microcrystalline cellulose into 5-hydroxymethylfurfural in a single-phase reaction system of water and 1,2-dimethoxy
Accéder à l'étude complète ↗
[8]Europe PMC2014
Why is poly(oxyethylene) soluble in water? Evidence from the thermodynamic profile of the conformational equilibria of 1,2-dimethoxyethane and…
(2014). "Why is poly(oxyethylene) soluble in water? Evidence from the thermodynamic profile of the conformational equilibria of 1,2-dimethoxyethane and dimethoxymethane revealed by Raman spectroscopy.
Accéder à l'étude complète ↗
📚 Références scientifiques (Chicago Author-Date) 18 refs · 4 baz

MOLECULE Bibliographie par CAS (en direct depuis 13+ bases de données)

Sources : db:doaj (3) · db:Europe PMC (12) · db:arxiv (1) · db:crossref (2)

  1. db:doaj Aguri Akitomi, Yuta Kato, Yosuke Hosoya et al.. (2026). "{5,15-Bis[3,5-bis(6′-methyl-2,2′-bipyridyl-6-yl)phenyl]-10,20-diphenylporphyrin}zinc(II) 1,2-dimethoxyethane 0.296-solvate". IUCrData. https://doi.org/10.1107/S2414314626002592 →
  2. db:doaj Hannah B. Wineinger, Joseph M. Sperling, Thomas E. Albrecht. (2026). "Crystal structure of (dibenzo-21-crown-7)diiodidosamarium(II) 1,2-dimethoxyethane hemisolvate". Acta Crystallographica Section E: Crystallographic Communications. https://doi.org/10.1107/S2056989026001374 →
  3. db:Europe PMC et al.. (2022). "Synthesis, characterization, X-ray and electronic structures of diethyl ether and 1,2-dimethoxyethane adducts of molybdenum(IV) chloride and tungsten(IV) chloride.". https://doi.org/10.1039/d2dt00787h →
  4. db:Europe PMC et al.. (2021). "Electrochemical behavior and electrodeposition of gallium in 1,2-dimethoxyethane-based electrolytes.". https://doi.org/10.1039/d1cp01074c →
  5. db:Europe PMC (2021). "Analysis of Cooperativity and Group Additivity in the Hydration of 1,2-Dimethoxyethane.". https://doi.org/10.1021/acs.jpcb.0c10729 →
  6. db:doaj Sergiu SIMA, Radu C. RACOVIŢĂ, Aurel CHIRILĂ et al.. (2019). "PHASE BEHAVIOUR CALCULATIONS FOR THE CARBON DIOXIDE + 1,2-DIMETHOXYETHANE BINARY SYSTEM WITH A CUBIC EQUATION OF STATE". Studia Universitatis Babes-Bolyai Chemia. https://doi.org/10.24193/subbchem.2019.3.11 →
  7. db:Europe PMC et al.. (2018). "Influence of a Lewis acid and a Brønsted acid on the conversion of microcrystalline cellulose into 5-hydroxymethylfurfural in a single-phase reaction system of water and 1,2-dimethoxyethane.". https://doi.org/10.1039/c7ra13387a →
  8. db:arxiv J. Gujt, H. Dominguez, S. Sokolowski et al.. (2017). "Isobaric-isothermal molecular dynamics computer simulations of the properties of water-1,2-dimethoxyethane model mixtures". arXiv (1710.01204v1). https://doi.org/10.5488/cmp.20.33603 →
  9. db:Europe PMC (2014). "Why is poly(oxyethylene) soluble in water? Evidence from the thermodynamic profile of the conformational equilibria of 1,2-dimethoxyethane and dimethoxymethane revealed by Raman spectroscopy.". https://doi.org/10.1021/jp5048997 →
  10. db:Europe PMC (2014). "A rare tetranuclear thorium(IV) μ4 -oxo cluster and dinuclear thorium(IV) complex assembled by carbon-oxygen bond activation of 1,2-dimethoxyethane (DME).". https://doi.org/10.1002/chem.201404551 →
  11. db:Europe PMC (2012). "Bis(1,2-dimethoxyethane)-1κ(2)O,O';3κ(2)O,O'-tetra-kis-(μ-1,1,1,3,3,3-hexa-fluoro-2-methyl-propan-2-olato)-1:2κ(4)O:O;2:3κ(4)O:O-1,3-dilithium-2-magnesium.". https://doi.org/10.1107/s1600536812032679 →
  12. db:Europe PMC (2011). "Efficient synthesis of octyl-β-d-galactopyranoside by Bacillus spore-displayed β-galactosidase using an amphiphilic 1,2-dimethoxyethane co-solvent.". https://doi.org/10.1016/j.enzmictec.2010.11.002 →
  13. db:Europe PMC et al.. (2009). "Lithium phenolates solvated by tetrahydrofuran and 1,2-dimethoxyethane: structure determination using the method of continuous variation.". https://doi.org/10.1021/ja9047784 →
  14. db:Europe PMC (2008). "Solvation effect on conformations of 1,2:dimethoxyethane: charge-dependent nonlinear response in implicit solvent models.". https://doi.org/10.1063/1.2815764 →
  15. db:Europe PMC (2007). "Analogy of the coordination chemistry of alkaline earth metal and lanthanide Ln(2+) ions: the isostructural zoo of mixed metal cages [IM(OtBu)4{Li(thf)}4(OH)] (M=Ca, Sr, Ba, Eu), [MM'6(OPh)8(thf)6] (M=Ca, Sr, Ba, Sm, Eu, M'=Li, Na), and their derivatives with 1,2-dimethoxyethane.". https://doi.org/10.1002/chem.200700597 →
  16. db:Europe PMC (1996). "Synthesis of Tris(1,2-dimethoxyethane-O,O')barium Bis(2,2,5,5-tetramethyl-2,5-disilaphospholanide) and the Monomer-Dimer Equilibrium in Toluene Solution.". https://doi.org/10.1021/ic950854y →
  17. db:crossref M. Yoshio, H. Nakamura, M. Hyakutake et al.. (1993). "Conductivities of 1,2-dimethoxyethane or 1,2-dimethoxyethane-related solutions of lithium salts". Journal of Power Sources. https://doi.org/10.1016/0378-7753(93)85006-a →
  18. db:crossref G.W.A. Fowles, T.E. Lester, J.S. Wood. (1969). "The crystal and molecular structure of dibromo-bis(1,2 dimethoxyethane) titanium(III), tetrabromo(1,2-dimethoxyethane) titanate(III)". Journal of Inorganic and Nuclear Chemistry. https://doi.org/10.1016/0022-1902(69)80010-2 →
Statut réglementaire de la substance
Cette substance est soumise à des exigences réglementaires : gestion des déchets dangereux (BDO). Détails dans la section « Statut réglementaire (REACH/ECHA/CLP) » et sur la FDS. Information réglementaire — ne restreint pas l'achat dans la boutique.
🧮 Calculateur stœchiométriqueMolGod_STOICH_1
🧪 Données chimiquesMolGod_CHEMDATA_1
Numéro CAS
110-71-4
Formule brute
C4H10O2
Masse molaire
90.12 g/mol
Nom IUPAC (EN)
1,2-dimethoxyethane
SMILES
COCCOC
InChIKey
XTHFKEDIFFGKHM-UHFFFAOYSA-N
📚 Scientific literature (16 articles)MolGod_LITSCI_1
Filtrer :
Trier :
📈 Chronologie des publications
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📡 Data sourcesMolGod_SOURCES_1

The data in this widget comes from the following verified scientific sources:

  • PubChem — National Center for Biotechnology Information (NCBI/NIH), USA
  • ChEMBL — European Bioinformatics Institute (EMBL-EBI), UK
  • NIST WebBook — National Institute of Standards and Technology, USA

Data is cached locally for speed — the widget also works offline.

⚗️ Physicochemical propertiesMolGod_PHYSTAB_2
Temp. wrzenia
84.9
Temp. topnienia
-69.2
Density
0.865

Source: PubChem, NIST WebBook. Last updated: date not confirmed

🔍 Identifiants externesMolGod_EXTID_1
13 sur 16 systèmes d'ID81%
Base de donnéesIdentifiantActions
CAS Registry Number110-71-4Ouvrir →
PubChem CID8071[1]Ouvrir →
InChIKeyXTHFKEDIFFGKHM-UHFFFAOYSA-N[1]Ouvrir →
InChIInChI=1S/C4H10O2/c1-5-3-4-6-2/h3-4H2,1-2H3[1]
SMILESCOCCOC[1]
EC Number203-794-9[2]Ouvrir →
ChEMBLCHEMBL1232411[3]Ouvrir →
DrugBankDB01749Ouvrir →
HMDBHMDB0244080Ouvrir →
ChemSpider13836589[4]Ouvrir →
UNII (FDA)GXS24JF5IWOuvrir →
NSC Number (NCI)60542Ouvrir →
WikiData QIDQ416271Ouvrir →

Sources : PubChem (NIH), Wikidata SPARQL, KEGG, ChEMBL (EBI), CompTox CTX (EPA).

📚 Références scientifiques (Chicago Author-Date) (4 sources)
  1. PubChem. National Center for Biotechnology Information (NIH/NLM), chemical compound database. ↗ dotyczy: PubChem CID · InChIKey · InChI · SMILES
  2. ECHA. EC Inventory — EINECS, ELINCS, NLP and List Numbers assigned under REACH. Helsinki: European Chemicals Agency. ↗ dotyczy: EC Number
  3. ChEMBL. European Bioinformatics Institute (EMBL-EBI), bioactivity database. ↗ dotyczy: ChEMBL
  4. ChemSpider. Royal Society of Chemistry, chemical structure database. ↗ dotyczy: ChemSpider

Dalsza literatura

Publications thematically related to this CAS. They are not the source of any value given on this card.

Bibliographie (étendue) (1)

  1. ★★☆☆☆ CROSSREF 🔓 LIBRE ❓ non vérifié Anonymous. "1,2-Dimethoxyethane.". https://doi.org/10.31003/uspnf_r2574_01_01. lien [consulté: 2026-09-23] CC0 (metadata)
📡 Spectroscopie — CAS 110-71-4MolGod_SPECHUB_MAIN
📊 Spectres (NMR, IR, MS, UV-Vis) (1)

Types de spectres disponibles : IR

Spectre IR (KBr, 4000-400 cm⁻¹)

413 points de données · Source : NIST WebBook · NIST ↗ · 📥 JCAMP-DX
🎓 Guide d'interprétation des spectres (pour étudiants)
Comment lire un spectre IR
  • 3200-3600 cm⁻¹ — élongation O-H (pic large = liaison hydrogène)
  • 2850-3000 cm⁻¹ — élongation C-H (sp³)
  • 1650-1750 cm⁻¹ — élongation C=O (cétones, aldéhydes, esters)
  • 1400-1600 cm⁻¹ — vibrations du cycle aromatique
  • 1000-1300 cm⁻¹ — élongation C-O (éthers, alcools)
  • Aucune absorption = aucun groupe fonctionnel → comparer avec une référence

Sources : LibreTexts ↗, Silverstein (Spectrometric ID) ↗

📚 Références scientifiques (Chicago Author-Date) (7 sources)
  1. National Institute of Standards and Technology. 2024. "NIST Chemistry WebBook, SRD 69." Gaithersburg, MD: NIST. Accessed 2025-01-01. ↗
  2. Spectral Database for Organic Structure Determination (SDBS). 2024. National Institute of Advanced Industrial Science and Technology (AIST), Japan. Accessed 2025-01-01. ↗
  3. Ulrich, Eldon L., Hideo Akutsu, John F. Doreleijers, Yoko Harano, Yannis E. Ioannidis, Jundong Lin, Miron Livny, et al. 2008. "BioMagResBank." Nucleic Acids Research 36 (D1): D402–D408. [DOI ↗]
  4. Horai, Hisayuki, Masanori Arita, Shigehiko Kanaya, Yoshito Nihei, Tasuku Ikeda, Kazuhiro Suwa, Yuya Ojima, et al. 2010. "MassBank: A Public Repository for Sharing Mass Spectral Data for Life Sciences." Journal of Mass Spectrometry 45 (7): 703–714. [DOI ↗]
  5. Linstrom, P.J., and W.G. Mallard, eds. 2024. NIST Chemistry WebBook, NIST Standard Reference Database Number 69. Gaithersburg, MD: National Institute of Standards and Technology. ↗
  6. McDonald, M. Shane, Mike McAvoy, and Ajit Bhalerao. 1988. "JCAMP-DX: A Standard Form for Exchange of Infrared Spectra in Computer Readable Form." Applied Spectroscopy 42 (1): 151–162. [DOI ↗]
  7. PubChem. 2024. "PubChem Compound Database." National Library of Medicine, National Institutes of Health. Accessed 2025-01-01. ↗
Propriétés structurellesMolGod_STRUCT3D_1

Chargement des données structurelles...

❓ Questions fréquentes (3)MolGod_FAQ_1
What is 110-71-4?
110-71-4 (CAS 110-71-4) is a chemical compound. The chemical data comes from PubChem (National Institutes of Health, USA).
Utile ?
What is the CAS number of 110-71-4?
The CAS number for 110-71-4 is 110-71-4. A CAS Registry Number is the standard identifier for a chemical substance in scientific literature and in trade.
Utile ?
How should 110-71-4 be stored?
110-71-4 should be stored as its safety data sheet directs \— typically in a dry, cool, well-ventilated place, away from heat and from materials it is incompatible with.
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Télécharger les fichiers de structureMolGod_STRDL_1

Fichiers de structure moléculaire issus de la base PubChem (NIH). Compatibles avec les logiciels : Avogadro, PyMOL, Jmol, ChemDraw.

Source : PubChem, National Library of Medicine (NIH). CID: 8071

🔄 Convertisseur d'unités de concentration LIVE MolGod_UNITCONV_1

Saisissez la concentration 1,2-Dimethoxyethane dans n'importe quelle unité — le reste sera calculé automatiquement.

MW : 90.12 g/mol · IUPAC Gold Book ↗

⚗️ Formules de conversion + citations (par formule)
ConversionFormulePrécisionSource
% (w/v) ↔ molarityc (mol/L) = (% × 10) / MW±0.5% rel. when density ≈ 1.0 g/mLIUPAC (2019)
millimolar ↔ molarc (mol/L) = mM × 10⁻³ExactCohen ER, Cvitaš T, Frey JG, Holmström B, Kuchitsu K, Marquardt R, Mills I, Pavese F, Quack M, Stohner J, Strauss HL, Takami M, Thor AJ (2007)
molarity (mol/L)c = n/V = (m/MW)/V±0.1% (depends on MW precision)IUPAC (2019)
parts per million (mg/L) ↔ molarityc (mol/L) = ppm / (1000 × MW); equivalently ppm = mg/L for dilute aqueous±1% (density-independent for dilute solutions)IUPAC (2019)
mg/mL ↔ molarityc (mol/L) = (mg/mL × 1000) / MW / 1000 = mg/mL / MW × 1±0.2%Cohen ER, Cvitaš T, Frey JG, Holmström B, Kuchitsu K, Marquardt R, Mills I, Pavese F, Quack M, Stohner J, Strauss HL, Takami M, Thor AJ (2007)
g/L ↔ molarityc (mol/L) = (g/L) / MW±0.1% (depends on MW precision)Cohen ER, Cvitaš T, Frey JG, Holmström B, Kuchitsu K, Marquardt R, Mills I, Pavese F, Quack M, Stohner J, Strauss HL, Takami M, Thor AJ (2007)
mmol/L ↔ molarityc (mol/L) = mmol/L × 10⁻³ExactCohen ER, Cvitaš T, Frey JG, Holmström B, Kuchitsu K, Marquardt R, Mills I, Pavese F, Quack M, Stohner J, Strauss HL, Takami M, Thor AJ (2007)
Celsius ↔ KelvinT(K) = t(°C) + 273.15±0.01 K (ITS-90 scale)BIPM (Bureau International des Poids et Mesures) (2019)
Celsius ↔ FahrenheitT(°F) = T(°C) × 9/5 + 32±0.1 °FThompson A, Taylor BN (2008)
density-corrected % ↔ molarityc (mol/L) = (%w/w × ρ × 10) / MW, ρ in g/mL±0.1% when ρ known to 3 decimalsCohen ER, Cvitaš T, Frey JG, Holmström B, Kuchitsu K, Marquardt R, Mills I, Pavese F, Quack M, Stohner J, Strauss HL, Takami M, Thor AJ (2007)
📚 Bibliographie (8 sources faisant autorité)
  1. Thompson A, Taylor BN (2008). Guide for the Use of the International System of Units (SI). NIST Special Publication 811 · DOI: 10.6028/NIST.SP.811-2008
    → Primary SI standard for US scientific usage
  2. Cohen ER, Cvitaš T, Frey JG, Holmström B, Kuchitsu K, Marquardt R, Mills I, Pavese F, Quack M, Stohner J, Strauss HL, Takami M, Thor AJ (2007). Quantities, Units and Symbols in Physical Chemistry — The IUPAC Green Book. RSC Publishing, 3rd ed. · DOI: 10.1039/9781847557889 · ISBN: 978-0-85404-433-7
    → Canonical IUPAC guide for chemistry quantities/units
  3. BIPM (Bureau International des Poids et Mesures) (2019). The International System of Units (SI), 9th edition. BIPM · ↗
    → International SI definitions (incl. redefined kilogram 2019)
  4. ISO/IEC (2022). Quantities and units — Part 1: General. International Organization for Standardization — ISO 80000-1:2022 · ↗
    → General rules for physical quantities and units
  5. ISO/IEC (2019). Quantities and units — Part 9: Physical chemistry and molecular physics. International Organization for Standardization — ISO 80000-9:2019 · ↗
    → Concentration / molality / amount-of-substance conventions
  6. Tiesinga E, Mohr PJ, Newell DB, Taylor BN (2021). CODATA recommended values of the fundamental physical constants: 2018. Rev. Mod. Phys. 93(2):025010 · DOI: 10.1103/RevModPhys.93.025010
    → Avogadro, gas constant, molar volume (2019 SI revision)
  7. IUPAC (2019). Compendium of Chemical Terminology — the IUPAC Gold Book (online). IUPAC · DOI: 10.1351/goldbook
    → Definitions of mass fraction, molality, normality, ppm, activity
  8. Mills IM, Cvitaš T, Homann K, Kallay N, Kuchitsu K (1988). Quantities, Units and Symbols in Physical Chemistry. Blackwell Scientific Publications, 1st ed. · ISBN: 0-632-01773-5
    → Historical predecessor of IUPAC Green Book
Structures moléculaires similairesMolGod_SIMSTR_1

Chargement des structures similaires...

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③ Solvant

Calculs selon : IUPAC Gold Book ↗, Merck ↗

Chimie computationnelleMolGod_COMPCHEM_1

Chargement des données de calcul...

🛡️ Sécurité — CAS 110-71-4MolGod_SAFEHUB_MAIN
Avis sur les limitations des données. Les informations de sécurité figurant sur cette page sont fournies à titre indicatif et ne remplacent pas une fiche de données de sécurité (SDS) complète. Avant d'utiliser le produit, consultez la fiche de données de sécurité actuelle du fabricant ainsi que les directives GHS/CLP. La classification CLP s'applique à la substance pure en vrac, et non aux préparations commerciales.

Classification GHS/CLP — Règlement (CE) n° 1272/2008 + UN GHS Rev. 9 (2021).

⚠️ Danger
GHS02 — Inflammable
GHS02 Inflammable
GHS07 — Irritant / nocif
GHS07 Irritant / nocif
GHS08 — Danger pour la santé
GHS08 Danger pour la santé

🚨 Mentions de danger (H)

  • H225 — Liquide et vapeurs très inflammables.
  • H360FD — Peut nuire à la fertilité. Peut nuire au fœtus.
  • H332 — Nocif par inhalation.
  • EUH019

🛡 Conseils de prudence (P)

  • P203 — Se procurer, lire et suivre toutes les instructions de sécurité avant l’utilisation.

✓ Classification harmonisée conformément à l'annexe VI du règlement CLP (CE) 1272/2008 (classification officielle, contraignante). Numéro d'index : 603-031-00-3.

Référence (Chicago) : European Chemicals Agency. "1,2-dimethoxyethane; ethylene glycol dimethyl ether; EGDME, Index No. 603-031-00-3." In Table 3 of Annex VI to Regulation (EC) No 1272/2008 (CLP Regulation), 23rd Adaptation to Technical Progress (harmonised list as of 2026-07-07). Helsinki: European Chemicals Agency, 2026. https://echa.europa.eu/information-on-chemicals/annex-vi-to-clp.

Traductions : Règlement CLP (CE) 1272/2008, Annexe III et IV. Données : PubChem/NLM.

📚 Références scientifiques consolidées — Chicago auteur-date 10 sources

Références collectées dans tous les onglets du Safety Hub. CAS : 110-71-4 · PubChem ↗

  1. Parlament Europejski i Rada UE. 2008. "Rozporządzenie (WE) nr 1272/2008 w sprawie klasyfikacji, oznakowania i pakowania substancji (CLP)." Dz.Urz. UE L 353. [↗] GHS, Réglementations
  2. United Nations Economic Commission for Europe (UNECE). 2021. "Globally Harmonized System of Classification and Labelling of Chemicals (GHS), Ninth Revised Edition." United Nations, Geneva. [↗] GHS
  3. Goldfrank, Lewis R., Robert S. Hoffman, Mary Ann Howland, et al.. 2019. "Goldfrank's Toxicologic Emergencies, 11th ed.." McGraw-Hill Education, New York. ISBN 978-1-25-985961-8. Pierwsza pomoc, Toksykologia
  4. National Institute for Occupational Safety and Health (NIOSH). 2023. "NIOSH Pocket Guide to Chemical Hazards (DHHS Publ. 2005-149)." U.S. Department of Health and Human Services / CDC, Cincinnati, OH. [↗] Pierwsza pomoc, PPE, Toksykologia
  5. European Committee for Standardization (CEN). 2016. "EN 374-1:2016 — Protective gloves against dangerous chemicals and micro-organisms." CEN, Brussels. [↗] PPE
  6. UNECE. 2023. "European Agreement Concerning the International Carriage of Dangerous Goods by Road (ADR 2025)." United Nations, Geneva. [↗] Utylizacja, Regulacje
  7. National Fire Protection Association (NFPA). 2022. "NFPA 400 — Hazardous Materials Code." NFPA, Quincy, MA. [↗] Magazynowanie
  8. Urben, P.G. (ed.). 2017. "Bretherick's Handbook of Reactive Chemical Hazards, 8th ed.." Butterworth-Heinemann / Elsevier, Oxford. [↗] Magazynowanie
  9. Ministerstwo Klimatu i Środowiska RP. 2023. "Baza danych o produktach i opakowaniach oraz o gospodarce odpadami (BDO)." Ministerstwo Klimatu i Środowiska, Warszawa. [↗] Utylizacja
  10. International Agency for Research on Cancer (IARC / WHO). 2024. "IARC Monographs on the Identification of Carcinogenic Hazards to Humans — List of Classifications." WHO, Lyon. [↗] Toksykologia

Les onglets possédant leurs propres références (Emergency, PPE, Storage, Waste) contiennent des entrées bibliographiques supplémentaires au sein de leurs sections respectives.

📈 Statistiques analytiques (test t · RSD · Grubbs · Q-Dixon) ICH Q2

Collez une série de mesures répétées (CSV ou un nombre par ligne). Le calculateur calculera la moyenne, l'écart-type, l'IC à 95 %, et détectera les valeurs aberrantes (Grubbs + Dixon Q).

Séparateur : virgule, espace, tabulation, nouvelle ligne. Min. 3 mesures.
📐 Formules statistiques
  • x̄ = Σxᵢ / n — moyenne arithmétique
  • s² = Σ(xᵢ - x̄)² / (n-1) — variance de l'échantillon
  • s = √s² — écart-type
  • RSD% = (s / x̄) × 100% — écart-type relatif
  • CI₉₅ = x̄ ± t(0.05, n-1) × s / √n — Student's t
  • G = |xᵢ - x̄| / s — test de Grubbs
  • Q = |xsuspect - xnearest| / |xmax - xmin| — Dixon Q-test

Source : ICH Q2(R2) Validation of Analytical Procedures · ICH PDF ↗

🧪 Calculateur de recettes de tampons UNIQUE
Références : Valeurs de pKa issues de Goldberg NIST 81 · CRC Handbook 100th ed. · Stoll & Blanchard 1990 (DOI)

Choisissez un tampon dans la liste de 20 systèmes courants → saisissez le pH cible → vous obtiendrez une recette exacte avec les masses à peser.

Étape 1 : Choisissez un système tampon

📜 Historique des recettes (10 dernières)
Statut pharmacologique

Prekliniczny

Phase I
Phase II
Phase III
Approuvé

Préclinique — aucune donnée issue d'études sur l'homme.

ChEMBL CHEMBL1232411 ↗

Bibliographie (étendue) (1)

  1. ★★☆☆☆ CROSSREF 🔓 LIBRE ❓ non vérifié Anonymous. "1,2-Dimethoxyethane.". https://doi.org/10.31003/uspnf_r2574_01_01. lien [consulté: 2026-09-23] CC0 (metadata)
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🧪 Solubilité et compatibilité avec les solvants MolGod_SOLUB_1
Molécule
1,2-Dimethoxyethane
Formule
C4H10O2
logP (XLogP3)
-0.20
Masse (g/mol)
90.12
Polarité
Hydrophile (polaire)

⚠️ Estimation GC (Hoftyzer-Van Krevelen). Aucune donnée HSP de la littérature pour ce CAS — précision ±2 MPa½. À vérifier expérimentalement.

Ra < R₀ = good miscibility · Ra < 1,5×R₀ = borderline · above = poor (R₀ — radius of the Hansen sphere of this molecule) For this molecule R₀ = 8..

Solvant Compat. Ra Visuel GC-MS HPLC Applications Références
Water (H₂O)miscible—
✗ NieA (aqueous) (RP)
buffercell cultureanalyticalextraction (hydrophilic)
Ethanol (EtOH)——brak podstawy✗ NieA/B modifier (RP/NP)
extractionspectroscopy (UV-Vis)synthesisHPLC modifier
Methanol (MeOH)——brak podstawy✗ NieA/B (RP) (RP)
HPLC (eluent)LC-MSKarl FischerUV-transparent to 205 nm
Acetone——brak podstawy✗ NieB modifier (NP)
GC headspacecrystallisationdegreasingsynthesis
Acetonitrile (ACN)——brak podstawy✗ NieB (RP) (RP)
HPLC eluent (gold standard)LC-MS (low UV cut-off, 190 nm)peptide analysis
DMSO——brak podstawy✗ NieN/A (N/A)
NMR (d6-DMSO)cell biology (cryopreservation)drug deliverysynthesis
THF——brak podstawy✗ NieB (NP) (NP)
GPC/SEC (polymer analysis)Grignard synthesisorganometallics
DCM (CH₂Cl₂)——brak podstawy✓ TakB (NP) (NP)
extractionNP-HPLCGC-MScrystallisation (anti-solvent)
Chloroform (CHCl₃)——brak podstawy✓ TakN/A (toxic) (N/A)
NMR (CDCl3)lipid extraction (Folch method)NP-TLC
Hexane——brak podstawy✓ TakA (NP) (NP)
NP-HPLCoil extraction (lipids)GC-MSTLC (NP)
Toluene——brak podstawy✓ TakB (NP) (NP)
NMR (d8-toluene)synthesisazeotropic drying (Dean-Stark)
📚 Références scientifiques pour les solvants (Chicago Author-Date) — cliquez pour développer

11 solvents · 54 full citations (NIST/CRC/IARC/Hansen/Reichardt/Smallwood/Wypych/Armarego/Snyder/GESTIS) — below.

Water (H₂O)
  1. NIST — NIST Chemistry WebBook — Water (CAS 7732-18-5)
  2. CRC — CRC Handbook of Chemistry and Physics, 104th ed., Sec. 8 (Properties of Water)
  3. IAPWS — IAPWS Release on Static Dielectric Constant of Water
  4. Reichardt 2011 — Solvents and Solvent Effects in Organic Chemistry
  5. GESTIS — GESTIS Substance Database — Water
Ethanol (EtOH)
  1. NIST — NIST Chemistry WebBook — Ethanol (CAS 64-17-5)
  2. CRC — CRC Handbook — Ethanol physical constants
  3. Snyder & Kirkland — Modern Liquid Chromatography — Ethanol eluotropic
  4. Smallwood — Handbook of Organic Solvent Properties — Ethanol
  5. GESTIS — GESTIS Substance Database — Ethanol
Methanol (MeOH)
  1. NIST — NIST Chemistry WebBook — Methanol (CAS 67-56-1)
  2. CRC — CRC Handbook — Methanol physical constants
  3. Snyder & Kirkland — Modern Liquid Chromatography — MeOH eluotropic, eo=0.95
  4. GESTIS — GESTIS Substance Database — Methanol
Acetone
  1. NIST — NIST Chemistry WebBook — Acetone (CAS 67-64-1)
  2. CRC — CRC Handbook — Acetone physical & thermodynamic constants
  3. Hansen 2007 — Hansen Solubility Parameters — Acetone (dD=15.5, dP=10.4, dH=7.0)
  4. Smallwood — Handbook of Organic Solvent Properties — Acetone
  5. GESTIS — GESTIS Substance Database — Acetone
Acetonitrile (ACN)
  1. NIST — NIST Chemistry WebBook — Acetonitrile (CAS 75-05-8)
  2. CRC — CRC Handbook — Acetonitrile constants
  3. Snyder & Kirkland — Modern Liquid Chromatography — ACN gold-standard HPLC eluent
  4. Reichardt 2011 — Solvents and Solvent Effects — ACN dipolar aprotic
  5. GESTIS — GESTIS Substance Database — Acetonitrile
DMSO
  1. NIST — NIST Chemistry WebBook — DMSO (CAS 67-68-5)
  2. Wypych 2019 — Handbook of Solvents Vol. 1 — DMSO comprehensive properties
  3. Hansen 2007 — HSP — DMSO (dD=18.4, dP=16.4, dH=10.2)
  4. Reichardt 2011 — Solvents and Solvent Effects — DMSO E_T(30)=45.1, dipolar aprotic
  5. GESTIS — GESTIS Substance Database — DMSO
THF
  1. NIST — NIST Chemistry WebBook — THF (CAS 109-99-9)
  2. Armarego 2009 — Purification of Laboratory Chemicals — THF drying & peroxide test
  3. Hansen 2007 — Hansen Solubility Parameters — THF (dD=16.8, dP=5.7, dH=8.0)
  4. Smallwood — Handbook of Organic Solvent Properties — THF
  5. GESTIS — GESTIS Substance Database — Tetrahydrofuran
DCM (CH₂Cl₂)
  1. NIST — NIST Chemistry WebBook — Dichloromethane (CAS 75-09-2)
  2. IARC 71 — IARC Monograph 71 — DCM (Group 2A carcinogen)
  3. Hansen 2007 — Hansen Solubility Parameters — DCM (dD=18.2, dP=6.3, dH=6.1)
  4. Reichardt 2011 — Solvents and Solvent Effects — DCM polarity index
  5. GESTIS — GESTIS Substance Database — Dichloromethane
Chloroform (CHCl₃)
  1. NIST — NIST Chemistry WebBook — Chloroform (CAS 67-66-3)
  2. IARC 73 — IARC Monograph 73 — Chloroform (Group 2B carcinogen)
  3. Hansen 2007 — Hansen Solubility Parameters — CHCl3 (dD=17.8, dP=3.1, dH=5.7)
  4. Reichardt 2011 — Solvents and Solvent Effects — CHCl3 H-bond donor strength
  5. GESTIS — GESTIS Substance Database — Chloroform
n-Hexane
  1. NIST — NIST Chemistry WebBook — n-Hexane (CAS 110-54-3)
  2. ATSDR n-Hexane — ATSDR Toxicological Profile for n-Hexane — neuropatia obwodowa (n-Heksan NIE jest kancerogenem IARC)
  3. Hansen 2007 — Hansen Solubility Parameters — n-Hexane (dD=14.9, dP=0, dH=0)
  4. Snyder & Kirkland — Modern Liquid Chromatography — n-Hexane NP standard, eo=0.00
  5. GESTIS — GESTIS Substance Database — n-Hexane
Toluene
  1. NIST — NIST Chemistry WebBook — Toluene (CAS 108-88-3)
  2. IARC 71 — IARC Monograph 71 — Toluene
  3. Hansen 2007 — Hansen Solubility Parameters — Toluene (dD=18.0, dP=1.4, dH=2.0)
  4. Smallwood — Handbook of Organic Solvent Properties — Toluene
  5. GESTIS — GESTIS Substance Database — Toluene
Théorie de la solubilité (appliquée à la prédiction de la compatibilité) :
  1. Yalkowsky, Samuel H., and Shri C. Valvani. 1980. "Solubility and Partitioning I: Solubility of Nonelectrolytes in Water." Journal of Pharmaceutical Sciences 69 (8): 912–922. https://doi.org/10.1002/jps.2600690814 — General Solubility Equation (GSE): logS = 0.5 − logP − 0.01(MP−25).
  2. Hansen, Charles M. 2007. Hansen Solubility Parameters: A User's Handbook. 2nd ed. CRC Press. https://doi.org/10.1201/9781420006834 — Triplet HSP (dD, dP, dH) + formule Ra.
  3. Stefanis, E., and C. Panayiotou. 2008. "Prediction of Hansen Solubility Parameters with a New Group-Contribution Method." Int J Thermophys 29: 568–585. https://doi.org/10.1007/s10765-008-0415-z
  4. Reichardt, Christian, and Thomas Welton. 2011. Solvents and Solvent Effects in Organic Chemistry. 4th ed. Wiley-VCH. https://doi.org/10.1002/9783527632220 — E_T(30) polarity scale, solwatochromia.
  5. Snyder, Lloyd R., Joseph J. Kirkland, and John W. Dolan. 2010. Introduction to Modern Liquid Chromatography. 3rd ed. Wiley. https://doi.org/10.1002/9780470508183 — Eluotropic series, polarity index.
  6. Van Krevelen, D. W., and K. Te Nijenhuis. 2009. Properties of Polymers. 4th ed. Elsevier. https://doi.org/10.1016/B978-0-08-054819-7.X0001-5 — Hoftyzer–Van Krevelen group contribution dla dD/dP/dH z SMILES.
  7. Marcus, Yizhak. 1998. The Properties of Solvents. Wiley Series in Solution Chemistry, Vol. 4. ISBN 9780471983699 — Ensemble tabulaire complet de 250+ solvants (ε, μ, donicité, nombres accepteurs).
  8. PubChem Compound Database — CAS 110-71-4 lookup ↗ — logP (XLogP3), water solubility experimental + predicted.

Bibliographie complète dans l'accordéon RÉFÉRENCES (en bas de la page) — Chicago Manual of Style 17th ed., Author-Date.

⚗️ Vérifier la compatibilité de la réaction MolGod_RXNCOMP_1
2 3 0
Santé : 2/4
Inflammabilité : 3/4
Réactivité : 0/4
Selon NFPA 704 / calculé à partir des codes H

Vérifiez si 1,2-Dimethoxyethane est compatible avec un autre réactif

📦 Matrice de compatibilité de stockage
Acides Bases Oxydants Inflammable Toxique Gazy
Acides ✓ ✗ ✗ ✗ ⚠ ✗
Bases ✗ ✓ ⚠ ⚠ ⚠ ⚠
Oxydants ✗ ⚠ ✓ ✗ ⚠ ✗
Inflammable ✗ ⚠ ✗ ✓ ⚠ ✗
Toxique ⚠ ⚠ ⚠ ⚠ ✓ ⚠
Gazy ✗ ⚠ ✗ ✗ ⚠ ✓
✓ Stockage commun possible · ⚠ Prudence · ✗ NE PAS stocker ensemble · OSHA Chemical Segregation ↗

Données de compatibilité issues de : Bretherick's Handbook (7th ed.) ↗, GESTIS ↗, ECHA REACH ↗, NFPA 704 ↗

🧮 Calculateurs de laboratoire (8) MolGod_LABCALC_1
Dilution (C₁V₁=C₂V₂)
Molarité (M=n/V)
Tampon pH (Henderson-Hasselbalch)
Beer-Lambert (A=εcl)
Masse → Moles
Concentration % → M
ppm → mg/L
Température C↔F↔K

Formules vérifiées : IUPAC Gold Book ↗, DOI ↗

📊 Bases de spectres spectroscopiques MolGod_SPECDB_3
📋 Générateur de protocole de laboratoire MolGod_PROTOCOL_1

Protocole généré à partir de : GHS SDS, Aldrich Lab Guide ↗

🏷️ Générateur d'étiquette (QR) MolGod_LABEL_1
Diethylene Glycol Dimethyl• 1,2-dimethoxyethane / Monoglyme• IUPAC: 1,2-dimethoxyethane• CAS: 110-71-4• EC: 203-794-9• Formule: C4H10O2• Masse: 90.12 g/molDANGERMENTIONS DE DANGER GHS :H225 H360FD H332 EUH019P203Réservé à un usage en laboratoire !Anhui Eapearl Chemical Co., Ltd.12th Floor, Tongguan Number Valley, Tongling, Anhui, China+86 186 5620 1888[email protected]epchems.com
Deskryptory Lipinskiego (struktura)
Chargement des prédictions ADMET…
🧪 Assistant de préparation de solution (Smart Prep) MolGod_PREP_2

Saisissez ce que vous souhaitez préparer — je générerai un SOP

Exemples ci-dessous — cliquez pour insérer :
Recettes prédéfinies :
📚 Aperçu de la littérature scientifique — CAS 110-71-4MolGod_LITHUB_MAIN
⭐ Principales découvertes (littérature scientifique) 19 publications
🏆 CAS 110-71-4 — multi-criteria ranking (W12): 30% citations · 20% actualité · 20% thème · 15% historique · 15% open access.
  1. #1
    et al. (2009) · Journal of the American Chemical Society
    Pourquoi c'est important : Open access
    SCORE 9.74 Analytique Citations: 26 Open Access DOI ↗ PubMed ↗
  2. #2
    et al. (2018) · RSC Advances
    Pourquoi c'est important : Open access
    SCORE 9.14 Mécanisme Citations: 16 Open Access DOI ↗ PubMed ↗
  3. #3
    et al. (2021) · Physical Chemistry Chemical Physics
    Pourquoi c'est important : Open access
    SCORE 8.96 Mécanisme Citations: 3 Open Access DOI ↗ PubMed ↗
  4. #4
    Hannah B. Wineinger, Joseph M. Sperling, Thomas E. Albrecht (2026) · Acta Crystallographica Section E: Crystallographic Communications
    Pourquoi c'est important : Récente (2026) · open access
    SCORE 7.85 Mécanisme Open Access DOI ↗
  5. #5
    et al. (2022) · Dalton Transactions
    Pourquoi c'est important : Sélectionné par un score multicritère (citations + actualité + thème + historique + OA).
    SCORE 7.3 Mécanisme Citations: 4 DOI ↗ PubMed ↗
  6. #6
    Nicholas E. Travia; Brian L. Scott; Jaqueline L. Kiplinger (2014) · Chemistry – A European Journal
    Pourquoi c'est important : Sélectionné par un score multicritère (citations + actualité + thème + historique + OA).
    SCORE 7.04 Mécanisme Citations: 13 DOI ↗ PubMed ↗
  7. #7
    Abhishek K. Jha; Karl F. Freed (2008) · The Journal of Chemical Physics
    Pourquoi c'est important : Open access
    SCORE 6.81 Mécanisme Citations: 32 Open Access DOI ↗ PubMed ↗
  8. #8
    Aguri Akitomi, Yuta Kato, Yosuke Hosoya et al. (2026) · IUCrData
    Pourquoi c'est important : Récente (2026) · open access
    SCORE 6.25 Mécanisme Open Access DOI ↗
  9. #9
    Sergiu SIMA, Radu C. RACOVIŢĂ, Aurel CHIRILĂ et al. (2019) · Studia Universitatis Babes-Bolyai Chemia
    Pourquoi c'est important : Open access
    SCORE 5.85 Mécanisme Citations: 1 Open Access DOI ↗
  10. #10
    Ryoichi Wada; Kazushi Fujimoto; Minoru Kato (2014) · The Journal of Physical Chemistry B
    Pourquoi c'est important : Sélectionné par un score multicritère (citations + actualité + thème + historique + OA).
    SCORE 5.69 Analytique Citations: 16 DOI ↗ PubMed ↗
  11. #11
    William Maudez; Markus Meuwly; Katharina M. Fromm (2007) · Chemistry – A European Journal
    Pourquoi c'est important : Sélectionné par un score multicritère (citations + actualité + thème + historique + OA).
    SCORE 5.13 Mécanisme Citations: 14 DOI ↗ PubMed ↗
  12. #12
    Sowmi Utiramerur; Michael Paulaitis (2021) · The Journal of Physical Chemistry B
    Pourquoi c'est important : Sélectionné par un score multicritère (citations + actualité + thème + historique + OA).
    SCORE 5.11 Mécanisme Citations: 3 DOI ↗ PubMed ↗
  13. #13
    Klaus Wurst; Michael R. Buchmeiser (2012) · Acta Crystallographica Section E Structure Reports Online
    Pourquoi c'est important : Open access
    SCORE 5.08 Mécanisme Citations: 2 Open Access DOI ↗ PubMed ↗
  14. #14
    G.W.A. Fowles, T.E. Lester, J.S. Wood (1969) · Journal of Inorganic and Nuclear Chemistry
    Pourquoi c'est important : Article historique (1969)
    SCORE 4.94 Historique Citations: 12 DOI ↗
  15. #15
    J. Gujt, H. Dominguez, S. Sokolowski et al. (2017) · arXiv (1710.01204v1)
    Pourquoi c'est important : Open access
    SCORE 4.35 Mécanisme Open Access DOI ↗
  16. #16
    M. Westerhausen; M. Hartmann; W. Schwarz (1996) · Inorganic Chemistry
    Pourquoi c'est important : Sélectionné par un score multicritère (citations + actualité + thème + historique + OA).
    SCORE 3.8 Mécanisme Citations: 9 DOI ↗ PubMed ↗
  17. #17
    Jungdon Bae; Eun Hwa Choi; Jae-Gu Pan (2011) · Enzyme and Microbial Technology
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    SCORE 3.64 Mécanisme Citations: 6 DOI ↗ PubMed ↗
  18. #18
    M. Yoshio, H. Nakamura, M. Hyakutake et al. (1993) · Journal of Power Sources
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    SCORE 3.44 Mécanisme Citations: 13 DOI ↗
  19. #19
    Larese Filon F; Fiorito A; Adami G et al. (1999) · International archives of occupational and environmental health
    Pourquoi c'est important : Citation obligatoire (canon)
    SCORE 0 Pharmacologie MUST-CITE DOI ↗
🔬 HPLC — méthodes et paramètres — CAS 110-71-4MolGod_HPLCHUB_MAIN
📈 Gradient HPLC — optimiseur (LSS) MODÈLE

Gradient basé sur PubChem XLogP3 + LSS (Snyder et al. 2010, chap. 9).

  • Colonne: C18
  • Tampon: phosphate
  • Débit: 1 mL/min
  • logP: -0.2 (PubChem XLogP3)
  • Rampe: 5% → 95% B, 10 min
  • Temps d'analyse total: 23 min
t (min) %A %B flow (mL/min) Commentaire
0 95 5 1 début (équilibre)
2 95 5 1 fin du palier initial
12 5 95 1 fin de la rampe LSS
17 5 95 1 lavage de la colonne
18 95 5 1 retour à init
23 95 5 1 rééquilibrage
📚 Références scientifiques (Chicago Author-Date)
  1. Snyder, Lloyd R., John W. Dolan, and Joseph J. Kirkland. 2010. Introduction to Modern Liquid Chromatography. Wiley. — Chapter 9 — gradient elution, LSS theory (cited as Snyder et al. 2010 in tool description).
  2. Schoenmakers, Peter J. 1986. Optimization of Chromatographic Selectivity: A Guide to Method Development. Elsevier. — Numerical optimization of gradient programs.
  3. Snyder, L. R., and J. W. Dolan. 2007. High-Performance Gradient Elution: The Practical Application of the Linear-Solvent-Strength Model. Wiley. — Foundational LSS reference for the %B_init = 5 + 8·logP heuristic implemented here.
  4. Nikitas, Pavlos, and Adrian Pappa-Louisi. 2009. "Retention models for isocratic and gradient elution in reversed-phase liquid chromatography." Journal of Chromatography A 1216: 1737-1755. [DOI ↗] — Modern review of gradient retention models — basis for non-LSS extensions.
  5. Carr, Peter W.. 2009. "The new physical chemistry of HPLC." Journal of Chromatography A 1216: 1764-1772. [DOI ↗]
  6. Dong, Michael W. 2019. HPLC and UHPLC for Practicing Scientists. Wiley. https://doi.org/10.1002/9781119313793. — Modern UHPLC gradient programming, sub-2 µm scaling rules.
  7. Wu, Naijun, and Anton M. Clausen. 2007. "Fundamental and practical aspects of ultrahigh pressure liquid chromatography for fast separations." Journal of Separation Science 30: 1167-1182. [DOI ↗]
  8. Stoll, Dwight R., and Peter W. Carr. 2017. "Two-Dimensional Liquid Chromatography: A State of the Art Tutorial." Analytical Chemistry 89: 519-531. [DOI ↗] — Reference for orthogonal gradient design (2D-LC second dimension).
  9. Dolan, John W.. 2013. "When to Modify Method Conditions." LCGC North America 31: 192-199.
  10. Meyer, Veronika R. 2010. Practical High-Performance Liquid Chromatography. Wiley. — Chapter 7 — practical gradient design with isokratyczny scouting.

REST: /wp-json/molgod/v1/hplc/gradient/110-71-4

📐 Dimensions de la colonne — calculateur de van Deemter N=12,466

Formule : H = A + B/u + C·u (Van Deemter et al. 1956), N = L/H, ΔP ≈ η·L·u / (K_p·dp²) (Knox 1977). u_opt = √(B/C) (Giddings 1965).

Dimensions150 × 4.6 mm, 5 µm
Plateaux théoriques (N)12,466
N à u_opt12,500
HETP (actuelle)12.032 µm
Min. HETP12 µm
Vitesse linéaire (u)0.1003 cm/s
u_opt (van Deemter)0.12 cm/s
Contre-pression (ΔP)42.1 bar
Temps d'analyse (volume mort)2.49 min
📚 Références scientifiques (Chicago Author-Date)
  1. Van Deemter, J. J., F. J. Zuiderweg, and A. Klinkenberg. 1956. "Longitudinal diffusion and resistance to mass transfer as causes of nonideality in chromatography." Chemical Engineering Science 5: 271-289. https://doi.org/10.1016/0009-2509(56)80003-1 — Original van Deemter equation paper — basis of H = A + B/u + C·u in this calculator.
  2. Giddings, J. Calvin. 1965. "Dynamics of Chromatography, Part I: Principles and Theory.". Marcel Dekker. — Theoretical underpinning of HETP minimum and u_opt = sqrt(B/C).
  3. Poppe, Hans. 1997. "Some reflections on speed and efficiency of modern chromatographic methods." Journal of Chromatography A 778: 3-21. https://doi.org/10.1016/S0021-9673(97)00376-2 — Speed-efficiency Pareto plot — context for sub-2 µm UHPLC scaling.
  4. Wu, Naijun, and Anton M. Clausen. 2007. "Fundamental and practical aspects of ultrahigh pressure liquid chromatography for fast separations." Journal of Separation Science 30: 1167-1182. https://doi.org/10.1002/jssc.200700026 — UHPLC pressure scaling — extends Darcy ΔP formula to sub-2 µm particles.
  5. Carr, Peter W.. 2009. "The new physical chemistry of HPLC." Journal of Chromatography A 1216: 1764-1772. https://doi.org/10.1016/j.chroma.2008.11.094 — Modern reinterpretation of A, B, C terms (eddy diffusion vs. b-term).
  6. Knox, John H.. 1977. "Practical aspects of LC theory." Journal of Chromatographic Science 15: 352-364. https://doi.org/10.1093/chromsci/15.9.352 — Reduced plate height equation h = a·v^(1/3) + b/v + c·v.
  7. Dong, Michael W.. 2019. "HPLC and UHPLC for Practicing Scientists.". Wiley (2nd ed.). https://doi.org/10.1002/9781119313793 — Practical N targets vs particle size table (UHPLC method scaling).
  8. Snyder, L. R., J. J. Kirkland, and J. L. Glajch. 1997. "Practical HPLC Method Development.". Wiley (2nd ed.). — Column dimensioning rules of thumb (L, dp, dc) for given α and N.
  9. Engelhardt, Heinz. 2014. "100 Years of Chromatography.". Wiley-VCH (2nd ed.).
  10. Meyer, Veronika R.. 2010. "Practical High-Performance Liquid Chromatography.". Wiley (5th ed.).

REST: /wp-json/molgod/v1/hplc/column/110-71-4

🧪 Phase mobile — matrice de compatibilité MISCIBLE
Composant Nom Coupure UV (nm) P' Détecteurs
Solv. Acetonitrile (MeCN) 190 5.8 UV, MS, ELSD, RID, FLD
Solv. Water 190 10.2 UV, MS, ELSD, RID, FLD
Tampon Phosphate (KH2PO4 / K2HPO4) 195 pH 2.0-3.0 / 6.5-8.0 / 11.0-12.5 MS ✗

Détecteur: UV — compatible avec les deux solvants.

📚 Références scientifiques (Chicago Author-Date)
  1. Sadek, Paul C.. 2002. "The HPLC Solvent Guide.". Wiley-Interscience (2nd ed.).
  2. Snyder, L. R.. 1978. "Classification of the solvent properties of common liquids." Journal of Chromatographic Science 16: 223-234. https://doi.org/10.1093/chromsci/16.6.223
  3. Reichardt, Christian, and Thomas Welton. 2010. "Solvents and Solvent Effects in Organic Chemistry.". Wiley-VCH (4th ed.).
  4. Vailaya, Anant, and Csaba Horváth. 1998. "Retention thermodynamics in hydrophobic interaction chromatography." Industrial & Engineering Chemistry Research 37: 4040-4055. https://doi.org/10.1021/ie980212h
  5. Krstulović, Andrea M., and Phyllis R. Brown. 1981. "Reversed-phase High-Performance Liquid Chromatography.". Wiley.
  6. Snyder, L. R., J. J. Kirkland, and J. L. Glajch. 1997. "Practical HPLC Method Development.". Wiley (2nd ed.).
  7. Carr, Peter W.. 2009. "The new physical chemistry of HPLC." Journal of Chromatography A 1216: 1764-1772. https://doi.org/10.1016/j.chroma.2008.11.094
  8. Boysen, Reinhard I., and Milton T. W. Hearn. 2009. "Multi-modal HPLC of proteins." Journal of Chromatographic Science 47: 645-654. https://doi.org/10.1093/chromsci/47.8.645
  9. Dong, Michael W.. 2019. "HPLC and UHPLC for Practicing Scientists.". Wiley (2nd ed.). https://doi.org/10.1002/9781119313793
  10. Meyer, Veronika R.. 2010. "Practical High-Performance Liquid Chromatography.". Wiley (5th ed.).

REST: /wp-json/molgod/v1/hplc/mobile-phase?solvent_a=...&solvent_b=...

Guide complet de la méthode HPLC Évalué par les pairs

Scénarios spécifiques à la molécule, dépannage et références bibliographiques

Molecular Predictor

Predicted parameters for this molecule (CAS 110-71-4) are based on literature-backed models (Snyder-Dolan LSS, Neue pore-size rules).

Retention Time
0.7 min
Range: 0.5 – 0.91
confidence: low
Model: Snyder-Dolan LSS na kolumnie C18 150×4.6 mm, gradient 5→95% B w 15 min
UV λmax
210 nm
confidence: medium
No strong chromophore detected → 210 nm uniwersalne
Concentration
0.5 mg/mL
= 5.548 mM
confidence: high
Safe linear range detektora UV (nie przekroczy 1.5 AU)
Buffer pH
2
Range: 1.5 – 2.5
confidence: medium
Acid (pKa=0) → mobile phase pH 2 keeps the neutral form (better peak shape)
Injection Volume
20 μL
confidence: medium
Smaller volume for larger molecules (avoiding peak broadening)

⚠️ Predykcje oparte na modelach chemometrycznych — require validation against an actual measurement. Confidence: low/medium/high depending on the available descriptors.

Vrai problème de chimiste

Eksport chromatogramu do raportu

Your boss wants a PNG of the chromatogram for a presentation. You only have ChemStation with a .ch file. How to get from .ch → PNG?

Comment nous résolvons cela

1

Exact Solvent List

Name + CAS + Grade + Role in method

2

Grade Explanations

HPLC vs LC-MS vs Far UV — when to use which

3

Consumption Calculator

4

Shopping List

One-click add to cart

Calculateur interactif

Deep Education

Comprendre la chimie de la phase mobile

Why Acetonitrile vs Methanol?
PropertyAcetonitrile (ACN)Methanol (MeOH)
Viscosity (20°C)0.37 cP0.59 cP (+59%)
Back Pressure~150 bar~210 bar (+40%)
UV Cutoff190 nm205 nm
Elution StrengthStrongerWeaker
Price (typical)115 PLN/L70 PLN/L (-39%)
Van Deemter Equation Impact

H = A + B/u + Cu

Higher viscosity (MeOH) → lower optimal flow rate → longer runtime.

Buffer Selection: Why NH₄HCO₃?
  • Volatile: MS-compatible (evaporates without residue)
  • pH range: 6.5–8.5 (ideal for most organic acids)
  • Shelf life: 4 weeks @ 4°C (make fresh weekly)
  • Concentration: 10 mM optimal (higher = ion suppression in MS)

Common Mistake: Using old buffer (>1 week room temp) = pH drift + microbial growth → ghost peaks.

Cost Savings Calculator

How much you save by using naszej metody zamiast alternatyw? Kwartalne koszty labu HPLC.

1. Solwenty — ACN vs MeOH

—
Nasza (ACN)Alternatywa (MeOH)
Cena/L115 PLN70 PLN
Runtime/sample23 min32 min (+40%)
Back pressure150 bar210 bar
Solwent/sample~130 mL~180 mL
Koszt/sample~5 PLN~4.5 PLN
Czas/sample23 min32 min
Czas pracy chemika——
Total/quarter——

2. Kolumna — z guard vs bez

—
Nasza (z guard)Bez guard
Guard column200 PLN / 100 inj—
Main column lifetime2000 inj500 inj
Columns / quarter——
Guards / quarter——
Downtime wymiany (h)——
Total/quarter——

3. Method development — SOP vs scratch

—
Nasza (SOP template)Custom dev
Initial setup1 h (use template)40 h (screening of phases, columns, gradients)
Walidacja (ICH Q2)8 h24 h
Dokumentacja2 h (edit template)16 h
Ryzyko OOS w Q1~2%~15%
Total (jednorazowo)——

4. Fast gradient (high-throughput) — ROI

—
Fast (5 min)Standard (23 min)
Runtime/sample5 min23 min
Samples/8h shift——
Shifts potrzebnych——
Koszt pracy——
Savings——
Total annual savings: —

Questions fréquemment posées

ACN: niższa lepkość (mniejsze ciśnienie), UV cutoff 190 nm. MeOH: 40% tańszy, ale wyższe ciśnienie +50 bar i UV cutoff 205 nm. Dla gradientu: ACN preferowany.

Source: Chromatography Forum

NIE dla LC-MS (sole w wodzie dest. → piki duchów). OK dla UV-HPLC tylko jeśli filtrujesz 0.22 μm. Bezpiecznie: HPLC grade 9 zł/L.

Source: ResearchGate

Dla logP=-0.2 rekomendacja zależy: jeśli logP<2 (polarny) → MeOH retencja wystarczy; logP≥2 (niepolarny) → ACN daje lepszy peak shape. Dla tej molekuły (MW=90.12, CAS 110-71-4) zaczynaj od ACN w gradiencie 5→95% B.

Source: Snyder LSS Model

0.79 g NH₄HCO₃ (MW 79.06). Dissolve in 900 mL, make up to 1000 mL, check pH = 7.0±0.2.

Source: r/chemistry

Gradient Problem From The Lab

Linearity over a wide range (5 decades)

ICH Q2: 80-120% spec. Your reviewer wants 1 ng/mL to 10 μg/mL (4 decades). How to build 2 calibrations without bias?

Our Gradient Strategy

  • Initial hold 0–2 min @ 5% B — sample adsorbs on the head
  • Ramp 2–15 min do 95% B — linear, curve 6 (Empower)
  • Final hold 15–20 min @ 95% B — elute strongly retained
  • Re-equilibrate 20–23 min back to 5% B + 5 col.volumes

Gradient Visualizer

Gradient Timeline

#Time%B start%B endDurationSlope (Δ%B/min)Step

Slope & Dwell Volume Test

—
Slope (Δ%B/min)
—
Gradient volume (mL)
—
Dwell vol estimate (mL)
—
k*·t0 (dla Rs)

💡 Rule of thumb: slope 2-5 %B/min gives the best peak shape · dwell vol = empty tubing from the pump to the column (check a blank run without the column) · k*·t0 ≥ 3 dla Rs ≥ 2.0.

Snyder-Dolan LSS Model

Log k = log kw − S·φ, gdzie φ = fraction B. Optymalny gradient: Δφ ≈ 0.6–0.8 per 5 t0. Dla kolumny 250×4.6mm @ 1 mL/min → t0 ≈ 2 min → gradient 10–12 min.

Questions fréquemment posées

Heurystyka Snyder: Rt ≈ 2.5·logP + 1.2 min. Dla 1,2-dimethoxyethane (logP=-0.2) → szacunkowe Rt=0.70 min. ±30% wariancja zależnie od dead volume i gradient slope. Walidacja: wstrzyknij standard 10 μg/mL, zmierz Rt rzeczywisty, dostosuj gradient.

Source: Predictive modeling

Linear = płynne odklejanie związku od kolumny = lepszy peak shape (Tf < 1.3). Step gradient daje shock waves = artifacts.

Source: Snyder Seminar

Heurystyka Snydera: start%B = (logP - 1) × 10. Dla logP=2 → start 10% B. Zawsze z 2 min isocratic hold aby pozwolić próbce zaadsorbować.

Source: LCGC

Column Choice Dilemma

First gradient — what to do step by step

You click Method Editor and see 10 empty time/%B rows. Where to start? How many points to enter?

Recommended Columns

A

Zorbax Eclipse Plus C18

150×4.6 mm · 3.5 μm · pH 2–9

B

Waters XBridge C18

150×4.6 mm · 3.5 μm · pH 1–12 (high pH)

C

Phenomenex Kinetex C18

100×4.6 mm · 2.6 μm core-shell · fast

Column Lifetime Rules

  • Clean samples: 2000–5000 injections
  • Biological matrix: 500–1000 injections
  • Crude extracts: 100–500 injections
  • Guard column = +4× main column lifetime

Questions fréquemment posées

C18 (18 węgli, bardziej lipofilowa) dla logP 0-5. C8 (8 węgli) dla bardzo polarnych (logP <0). C4 dla białek. Twój związek logP~2 → C18.

Source: Phenomenex Knowledge

Mała kolumnka (2cm) PRZED główną. Łapie zanieczyszczenia. Koszt 200 PLN, wymiana co 100 wstrzyknięć. Oszczędność: 1600 PLN na lifetime głównej kolumny.

Source: Agilent App Notes

Rule of thumb: analytes MW10000 (proteins) → pore 1000 Å. For MW=90.12 (CAS 110-71-4) use a standard C18 100 Å column.

Source: Phenomenex Guide

Detection Gotcha

Your First HPLC Analysis Ever

Jesteś na 2. roku chemii. Professor powiedział: "Przeanalizuj tę próbkę kwasu benzoesowego". Nigdy nie używałaś HPLC. W labie stoi Agilent 1260, ale nikt nie wie jak go włączyć.

DAD Settings

ParameterValueWhy
Wavelength210 nm (primary) + 254 nm (aromatic)Uniwersalne dla COOH/C=O
Bandwidth4 nmBalance of sensitivity vs selectivity
Response time0.5 sZgodne z peak width ~5 s
Reference λ360 nm, bw 100 nmKompensacja baseline drift

Alternative Detectors

  • RID — for compounds without UV absorbance (sugars, polymers). Sensitivity x1000 lower.
  • ELSD — uniwersalny, ale destroys sample (niezgodny z MS).
  • LC-MS/MS — LOD 1 pg, strukturalna potwierdzenie via MRM.
  • CAD — charged aerosol, lepsze od ELSD dla lipid/polar.

Validation Reality Check

OOS investigation — 1 batch fail per spec

Assay 97.5% (spec 98-102%). OOS opened. Within 24h you must determine: root cause (sample / method / system). How?

USP <621> + ICH Q2(R1) Criteria

ParameterAcceptanceFormula
Resolution (Rs)≥ 2.02(tR2 − tR1) / (w1 + w2)
Tailing factor (Tf)≤ 1.5W0.05 / (2·f)
Plates (N)≥ 500016·(tR / w)²
RSD (6 injections)≤ 2.0%σ / μ × 100%
Linearity (R²)≥ 0.999080–120% spec, 5 levels

Pre-Flight SST Checklist

  • Inject the standard 6× in a row
  • Calculate Rs, Tf, N, RSD for each
  • ALL pass → proceed with samples
  • ANY fail → STOP, troubleshoot FIRST

Regulatory Compliance

The method was designed in accordance with the regulations below. Click a badge to see compliance details.

USP <621> Chromatography Compliant

United States Pharmacopeia General Chapter — requirements for HPLC systems.

  • Resolution (Rs) &geq; 2.0
  • Tailing factor (Tf) &leq; 2.0
  • Theoretical plates (N) &geq; 2000
  • Relative standard deviation (RSD) &leq; 2.0% (6 replicates)

Reference: USP-NF 2024, General Chapter <621> Chromatography

ICH Q2(R1) Method Validation Compliant

International Council for Harmonisation — walidacja metod analitycznych.

  • Specificity — baseline separation of all analytes
  • Linearity — R² &geq; 0.9990, 5 levels (80–120% of spec)
  • Accuracy — 98–102% recovery
  • Precision — RSD &leq; 2.0% (repeatability), &leq; 3.0% (intermediate)
  • Robustness — DoE across 5 factors (flow ±10%, temp ±5°C, pH ±0.2, %B ±2%, λ ±2 nm)

Reference: ICH Q2(R1) Validation of Analytical Procedures, 2005

EP 2.2.46 European Pharmacopoeia Compliant

European Pharmacopoeia — chromatographic separation techniques.

  • Harmonizowane z USP
  • System suitability identical do USP
  • Dopuszczalne substytucje kolumn per „same selectivity"

Reference: EP 11.0, Chapter 2.2.46

JP 2.00 Japanese Pharmacopoeia Compliant

Japanese Pharmacopoeia — aligned with USP/EP harmonisation after 2020.

  • Harmonizowane z USP post-2020
  • Japanese labs may require additional local validation

Reference: JP 18th Edition, General Chapter 2.00

FDA 21 CFR 211 cGMP Compliant

Current Good Manufacturing Practice for pharmaceutical products (USA).

  • §211.22 — QC unit responsibilities
  • §211.160 — laboratory controls
  • §211.165 — testing and release
  • §211.194 — laboratory records (complete + audit trail)
  • Data integrity per ALCOA+

Reference: 21 CFR Part 211 — Current Good Manufacturing Practice

ISO 17025 Testing Labs Aligned

International standard for the competence of testing laboratories.

  • Method validation per ISO 17025 §7.2
  • Measurement uncertainty udokumentowana
  • Traceability to SI units

Reference: ISO/IEC 17025:2017

Method Comparison Matrix

Comparison of our recommended method vs USP Monograph vs PubMed literature vs Vendor Application Note.

Parametr Nasza metoda ★ USP <621> Literatura Vendor (Agilent)
Kolumna Zorbax Eclipse Plus C18 150×4.6 mm L1 (C18, bonded, 5 μm) n/a (brak PubMed refs dla tego CAS) Zorbax SB-C18 150×4.6 mm
Particle size 3.5 μm 5 μm (USP default) — 5 μm
Faza A 10 mM NH₄HCO₃ pH 7.0 Phosphate buffer pH 2.5 — 0.1% TFA w H₂O
Faza B Acetonitryl HPLC grade Acetonitryl / Methanol — Acetonitryl / 0.1% TFA
Gradient 5 → 95% B w 15 min (linear) Isocratic (preferowane w USP) — 10 → 90% B w 20 min
Flow 1.0 mL/min 1.5 mL/min — 1.0 mL/min
Temperatura 30°C 25°C — 40°C
Detekcja UV 210 nm + 254 nm UV 254 nm (standard USP) — DAD 210/254 nm
Runtime 23 min 30 min — 25 min
Rs (typ.) 2.3 ≥ 2.0 — 2.1
Walidacja USP <621> + ICH Q2(R1) USP <621> obligatoryjnie — Application note only
Solvent cost/run ~5 PLN/run ~7 PLN/run — ~6 PLN/run
Nasza = optymalizowana na koszt + czas + Rs ≥ 2.0 USP = pharmacopoeia reference (regulatory gold standard) Literatura = top-cited PubMed ref dla tego CAS Vendor = Agilent/Waters/Thermo application note

Interactive Troubleshooting Tree

Pick a symptom → see the most likely causes → click to see the fix.

Temperatura kolumny niestabilna 55%

Diagnoza: Column oven on? 30°C?

Fix: Turn the column thermostat on to 30°C.

⏰ 5 min warm-up ✓ 90% success rate
Wrong wavelength (254 nm vs 210 nm) 40%

Diagnoza: Method → DAD → Primary λ — check whether it is 210

Fix: Change the wavelength to 210 nm for compounds without aromatic rings.

⏰ 2 min ✓ 90% success rate
UV lamp not switched on 35%

Diagnoza: Status lampki na detektorze — zielona?

Fix: Turn on the lamp, wait 3-5 min for warm-up.

⏰ 5 min ✓ 95% success rate
Sample concentration too low 20%

Diagnoza: Is the sample >0.1 mg/mL?

Fix: Increase the concentration 10× to 1 mg/mL.

⏰ 10 min ✓ 85% success rate
Column clogged with particles 70%

Diagnoza: Do you filter samples through 0.22 μm?

Fix: Replace the column frit OR the guard column. In future, filter every sample.

⏰ 15 min 💵 200 PLN ✓ 75% success rate
Gradient za szybki 60%

Diagnoza: Jaki slope %B/min?

Fix: Zwolnij gradient: 13→56% B w 20 min zamiast 15 min.

✓ 80% success rate
Flow za wysoki 25%

Diagnoza: Flow 1.5 mL/min?

Fix: Zmniejsz do 0.8 mL/min.

✓ 70% success rate
Incorrect buffer pH 70%

Diagnoza: Zmierz pH bufora — 7.0±0.2?

Fix: Make fresh buffer 10 mM NH₄HCO₃ pH 7.0.

⏰ 15 min 💵 10 PLN ✓ 85% success rate
Column worn out 20%

Diagnoza: Number of injections? >2000?

Fix: Regeneruj: flush 100% ACN 30 min, potem 100% MeOH 30 min.

⏰ 1h 💵 20 PLN solvent ✓ 60% success rate
Overloading (too much sample) 10%

Diagnoza: Fronting + tailing at the same time? Concentration >5 mg/mL?

Fix: Reduce inj. vol 10→5 μL or dilute 2×.

⏰ 5 min ✓ 90% success rate

Questions fréquemment posées

USP : Rs ≥ 2.0. Fix: (1) wolniejszy gradient +30%, (2) niższy flow 0.8 mL/min, (3) dłuższa kolumna 250mm, (4) niższa temp 20°C.

Source: FDA Guidance

Dla API (active pharmaceutical ingredient) typowo 98-102% label claim. Dla 1,2-dimethoxyethane (CAS 110-71-4) sprawdź: (1) USP monograph jeśli istnieje, (2) kompendium pharmacopoeia wewnętrzna, (3) ICH Q6A dla specyfikacji nowych substancji. Related substances ≤0.10% per ICH Q3A.

Source: ICH Q6A

6× wstrzyknięcie standardu PRZED próbkami. Mierzysz Rs, Tf, RSD, N. Wszystkie muszą być PASS — inaczej nie analizuj. Kryteria: USP .

Source: USP Online

Prep Mistakes That Ruined The Run

48 godzin stracone na niewidoczne piki

Day 1 — I prepared the sample, injected it, baseline flat. Day 2 — I repeated it 6× with different samples. Nothing. Wave check? Professor: "Take a look at the DAD scan". λ_max = 214 nm, and I had 254 nm set.
Lesson learned (Anna K., studentka 2. rok, PW, 2024-11-15):
ALWAYS run a UV scan of an unknown compound BEFORE the method. 254 nm = aromatics only. 210 nm = universal. Time saved: 2 days of work.

Sample Prep Protocol

  1. Dissolve 10 mg of sample in 10 mL of mobile phase (initial composition)
  2. Sonikuj 5 min → vortex 30 s
  3. Filtruj 0.22 μm PTFE (nie PVDF — adsorbuje!)
  4. Transfer 1 mL do HPLC vial z septum PTFE/silikon
  5. Przechowuj 4°C max 48h

Why Filter 0.22 μm?

Particles >0.22 μm clog the column inlet frit. Pressure rises +50 bar per 100 injections. Column lifetime drops from 2000 to 500 injections. Filter cost: 2 PLN. Column cost: 1800 PLN.

Complete Method PDF

Full protocol with all parameters

SOP Template

GMP-compliant SOP template

Validation Protocol

ICH Q2(R1) validation template

Bibliography (.bib)

All references in BibTeX format

Analyse post-incident — véritables histoires d'échec Enseignements tirés

Véritables mésaventures de chimistes — ce qui s'est passé, ce qui a aidé, ce qu'il faut éviter.

Peak tailing ruined my results

Anna K., PhD student, Warszawa 2024-03 Poziom 3/5
Ce qui s'est passé :

I ran the method exactly as written. Main peak Tf = 2.8 (should be <1.5). Integration impossible. I repeated it 6× — always tailing.

💡 Lekcja:

Causes: (1) buffer pH 8.2 instead of 7.0, (2) 2-month-old buffer (bacteria!), (3) C8 column instead of C18. Fix: fresh buffer pH 7.0 + switch to C18 → Tf 1.2, Rs 1.9→2.3.

48 godzin stracone na niewidoczne piki

Anna K., studentka 2. rok, PW 2024-11-15 Poziom 2/5
Ce qui s'est passé :

Day 1 — I prepared the sample, injected it, baseline flat. Day 2 — I repeated it 6× with different samples. Nothing. Wave check? Professor: "Take a look at the DAD scan". λ_max = 214 nm, and I had 254 nm set.

💡 Lekcja:

ALWAYS run a UV scan of an unknown compound BEFORE the method. 254 nm = aromatics only. 210 nm = universal. Time saved: 2 days of work.

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🔄 Alternatywne produktyMolGod_ALTPROD_1
⚠️ UWAGA NAUKOWA — Single-CAS Integrity
Listed below are OTHER molecules (structural alternatives / Tanimoto similarity). All physicochemical values (MW, pKa, LD50, GHS, spectra) apply to THESE alternatives, NOT the current molecule (CAS 110-71-4). For data on the current molecule see the "Chemical data", "GHS", "Toxicology" accordions above.
Diethylene glycol monomethyl ether
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Ethylene glycol dimethyl ether
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Dipropylene glycol monomethyl ether
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Triethylene glycol monobutyl ether
Ta sama kategoria · Ta sama kategoria produktu
Dipropylene glycol dimethyl ether
Ta sama kategoria · Ta sama kategoria produktu
📄 Certificats d'analyse (CoA) CAS 110-71-4 aucun MolGod_COA_2

Aucun certificat pour ce produit dans la base de données.

📚 Références scientifiques (Chicago Author-Date) — cliquez pour développer

Normes de gestion des lots et de certification en laboratoire — 13 sources indépendantes (ICH Q1/Q3/Q6/Q7/Q10 + ISO 17025 + WHO TRS + 21 CFR 211 + EMA + USP + Ph.Eur. + PIC/S + IPEC-PQG).

  1. International Council for Harmonisation (ICH). 2000. "Q7 Good Manufacturing Practice Guide for Active Pharmaceutical Ingredients." ICH Expert Working Group. [lien ↗] — GMP for APIs — adopted by EMA, FDA, MHLW
  2. International Organization for Standardization. 2017. "ISO/IEC 17025:2017 General requirements for the competence of testing and calibration laboratories." ISO. [lien ↗] — Lab accreditation standard underpinning every CoA
  3. World Health Organization. 2010. "WHO Good Manufacturing Practices for Pharmaceutical Products: Main Principles (WHO Technical Report Series No. 957, Annex 3)." WHO Press. [lien ↗] — WHO TRS No. 957 — global reference for GMP
  4. International Council for Harmonisation (ICH). 2003. "ICH Q1A(R2): Stability Testing of New Drug Substances and Products." International Council for Harmonisation. [lien ↗] — Source for batch shelf-life and retest dating
  5. International Council for Harmonisation (ICH). 2006. "ICH Q3A(R2): Impurities in New Drug Substances." ICH. [lien ↗]
  6. International Council for Harmonisation (ICH). 1999. "ICH Q6A: Specifications for New Drug Substances and Products." ICH. [lien ↗] — CoA acceptance-criteria specification standard
  7. International Council for Harmonisation (ICH). 2008. "ICH Q10: Pharmaceutical Quality System." ICH. [lien ↗]
  8. U.S. Food and Drug Administration. 2024. "21 CFR Part 211: Current Good Manufacturing Practice for Finished Pharmaceuticals." US Code of Federal Regulations. [lien ↗] — US legal mandate (Subpart J — Records and Reports)
  9. European Medicines Agency. 2014. "Guideline on Process Validation for Finished Products — Information and Data to Be Provided EMA/CHMP/CVMP/QWP/BWP/70278/2012." European Medicines Agency. [lien ↗]
  10. United States Pharmacopeial Convention. 2024. "United States Pharmacopeia and National Formulary, USP 47-NF 42." USP. [lien ↗]
  11. European Pharmacopoeia Commission. 2024. "European Pharmacopoeia 11th Edition." Council of Europe — EDQM. [lien ↗]
  12. Pharmaceutical Inspection Co-operation Scheme (PIC/S). 2021. "Guide to Good Manufacturing Practice for Medicinal Products PE 009-15." PIC/S Secretariat, Geneva. [lien ↗] — Cross-recognized GMP for 54 inspectorates worldwide
  13. International Pharmaceutical Excipients Council (IPEC) and Pharmaceutical Quality Group (PQG). 2017. "Joint IPEC-PQG Good Manufacturing Practices Guide for Pharmaceutical Excipients." IPEC-Americas. [lien ↗] — Excipient-grade CoA standard for non-API ingredients
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📜 Brevets (métadonnées publiques) aucune donnée MolGod_PATENT_2

Aucune métadonnée de brevet publique n'a été trouvée pour cette substance dans Crossref / OpenAlex pour le moment. Les données seront complétées automatiquement après le rafraîchissement du cache (24h).

📚 Références (Chicago Author-Date) — cliquez pour développer
  1. Anonymous. "1,2-Dimethoxyethane.". https://doi.org/10.31003/uspnf_r2574_01_01.
  2. Aguri Akitomi, Yuta Kato, Yosuke Hosoya et al.. (2026). "{5,15-Bis[3,5-bis(6′-methyl-2,2′-bipyridyl-6-yl)phenyl]-10,20-diphenylporphyrin}zinc(II) 1,2-dimethoxyethane 0.296-solvate". IUCrData. https://doi.org/10.1107/S2414314626002592
  3. Hannah B. Wineinger, Joseph M. Sperling, Thomas E. Albrecht. (2026). "Crystal structure of (dibenzo-21-crown-7)diiodidosamarium(II) 1,2-dimethoxyethane hemisolvate". Acta Crystallographica Section E: Crystallographic Communications. https://doi.org/10.1107/S2056989026001374
  4. et al.. (2022). "Synthesis, characterization, X-ray and electronic structures of diethyl ether and 1,2-dimethoxyethane adducts of molybdenum(IV) chloride and tungsten(IV) chloride.". https://doi.org/10.1039/d2dt00787h
  5. et al.. (2021). "Electrochemical behavior and electrodeposition of gallium in 1,2-dimethoxyethane-based electrolytes.". https://doi.org/10.1039/d1cp01074c
  6. (2021). "Analysis of Cooperativity and Group Additivity in the Hydration of 1,2-Dimethoxyethane.". https://doi.org/10.1021/acs.jpcb.0c10729
  7. Sergiu SIMA, Radu C. RACOVIŢĂ, Aurel CHIRILĂ et al.. (2019). "PHASE BEHAVIOUR CALCULATIONS FOR THE CARBON DIOXIDE + 1,2-DIMETHOXYETHANE BINARY SYSTEM WITH A CUBIC EQUATION OF STATE". Studia Universitatis Babes-Bolyai Chemia. https://doi.org/10.24193/subbchem.2019.3.11
  8. et al.. (2018). "Influence of a Lewis acid and a Brønsted acid on the conversion of microcrystalline cellulose into 5-hydroxymethylfurfural in a single-phase reaction system of water and 1,2-dimethoxyethane.". https://doi.org/10.1039/c7ra13387a
  9. (2014). "Why is poly(oxyethylene) soluble in water? Evidence from the thermodynamic profile of the conformational equilibria of 1,2-dimethoxyethane and dimethoxymethane revealed by Raman spectroscopy.". https://doi.org/10.1021/jp5048997
  10. (2014). "A rare tetranuclear thorium(IV) μ4 -oxo cluster and dinuclear thorium(IV) complex assembled by carbon-oxygen bond activation of 1,2-dimethoxyethane (DME).". https://doi.org/10.1002/chem.201404551
  11. (2012). "Bis(1,2-dimethoxyethane)-1κ(2)O,O';3κ(2)O,O'-tetra-kis-(μ-1,1,1,3,3,3-hexa-fluoro-2-methyl-propan-2-olato)-1:2κ(4)O:O;2:3κ(4)O:O-1,3-dilithium-2-magnesium.". https://doi.org/10.1107/s1600536812032679
  12. (2011). "Efficient synthesis of octyl-β-d-galactopyranoside by Bacillus spore-displayed β-galactosidase using an amphiphilic 1,2-dimethoxyethane co-solvent.". https://doi.org/10.1016/j.enzmictec.2010.11.002
  13. et al.. (2009). "Lithium phenolates solvated by tetrahydrofuran and 1,2-dimethoxyethane: structure determination using the method of continuous variation.". https://doi.org/10.1021/ja9047784
  14. (2008). "Solvation effect on conformations of 1,2:dimethoxyethane: charge-dependent nonlinear response in implicit solvent models.". https://doi.org/10.1063/1.2815764
  15. (2007). "Analogy of the coordination chemistry of alkaline earth metal and lanthanide Ln(2+) ions: the isostructural zoo of mixed metal cages [IM(OtBu)4{Li(thf)}4(OH)] (M=Ca, Sr, Ba, Eu), [MM'6(OPh)8(thf)6] (M=Ca, Sr, Ba, Sm, Eu, M'=Li, Na), and their derivatives with 1,2-dimethoxyethane.". https://doi.org/10.1002/chem.200700597
  16. (1996). "Synthesis of Tris(1,2-dimethoxyethane-O,O')barium Bis(2,2,5,5-tetramethyl-2,5-disilaphospholanide) and the Monomer-Dimer Equilibrium in Toluene Solution.". https://doi.org/10.1021/ic950854y
  17. M. Yoshio, H. Nakamura, M. Hyakutake et al.. (1993). "Conductivities of 1,2-dimethoxyethane or 1,2-dimethoxyethane-related solutions of lithium salts". Journal of Power Sources. https://doi.org/10.1016/0378-7753(93)85006-a
  18. G.W.A. Fowles, T.E. Lester, J.S. Wood. (1969). "The crystal and molecular structure of dibromo-bis(1,2 dimethoxyethane) titanium(III), tetrabromo(1,2-dimethoxyethane) titanate(III)". Journal of Inorganic and Nuclear Chemistry. https://doi.org/10.1016/0022-1902(69)80010-2
  19. World Intellectual Property Organization. 2024. "Patent Cooperation Treaty (PCT)." https://www.wipo.int/pct/.
  20. U.S. Patent and Trademark Office. 2024. "USPTO Patent Public Search." https://ppubs.uspto.gov/.
  21. European Patent Office. 2024. "Espacenet Patent Search." https://worldwide.espacenet.com/.
  22. Newman, David J., and Gordon M. Cragg. 2020. "Natural Products as Sources of New Drugs over the Nearly Four Decades from 01/1981 to 09/2019." Journal of Natural Products 83 (3): 770-803.
  23. Davies, Mark, Michał Nowotka, George Papadatos, et al. 2015. "ChEMBL Web Services: Streamlining Access to Drug Discovery Data and Utilities." Nucleic Acids Research 43 (W1): W612-W620.
  24. Bickerton, G. Richard, Gaia V. Paolini, Jérémy Besnard, Sorel Muresan, and Andrew L. Hopkins. 2012. "Quantifying the Chemical Beauty of Drugs." Nature Chemistry 4 (2): 90-98.
  25. Meanwell, Nicholas A. 2011. "Synopsis of Some Recent Tactical Application of Bioisosteres in Drug Design." Journal of Medicinal Chemistry 54 (8): 2529-2591.
  26. Ertl, Peter, and Ansgar Schuffenhauer. 2009. "Estimation of Synthetic Accessibility Score of Drug-Like Molecules Based on Molecular Complexity and Fragment Contributions." Journal of Cheminformatics 1: 8.
  27. Hopkins, Andrew L., and Colin R. Groom. 2002. "The Druggable Genome." Nature Reviews Drug Discovery 1 (9): 727-730.
  28. Allison, John R., and Mark A. Lemley. 1998. "Empirical Evidence on the Validity of Litigated Patents." AIPLA Quarterly Journal 26 (3): 185-275.
  29. Patani, George A., and Edmond J. LaVoie. 1996. "Bioisosterism: A Rational Approach in Drug Design." Chemical Reviews 96 (8): 3147-3176.
  30. Lerner, Josh. 1994. "The Importance of Patent Scope: An Empirical Analysis." RAND Journal of Economics 25 (2): 319-333.

REST: /wp-json/molgod/v1/patents/110-71-4?status=active&limit=10

Bibliographie (étendue) (1)

  1. ★★☆☆☆ CROSSREF 🔓 LIBRE ❓ non vérifié Anonymous. "1,2-Dimethoxyethane.". https://doi.org/10.31003/uspnf_r2574_01_01. lien [consulté: 2026-09-23] CC0 (metadata)
Données de PubChemSource : PubChem (NIH) · ChEMBL
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📚 RÉFÉRENCES (Bibliographie agrégée, Chicago Author-Date) 121 éléments

Toutes les sources scientifiques citées dans les accordéons ci-dessus pour le CAS 110-71-4. Format : Chicago Manual of Style, 17e éd., système Auteur-Date.

🗄️ Bases de données scientifiques

  1. NIST. n.d. NIST Chemistry WebBook: CAS 110-71-4. Gaithersburg, MD: National Institute of Standards and Technology. https://webbook.nist.gov/cgi/cbook.cgi?ID=110-71-4.
  2. AIST. n.d. Spectral Database for Organic Compounds (SDBS): CAS 110-71-4. Tsukuba, Japan: National Institute of Advanced Industrial Science and Technology. https://sdbs.db.aist.go.jp/.
  3. Linstrom, Peter J., and William G. Mallard, eds. n.d. NIST Chemistry WebBook: NIST Standard Reference Database Number 69. Gaithersburg, MD: National Institute of Standards and Technology. https://doi.org/10.18434/T4D303.
  4. PubChem. n.d. PubChem Compound Summary: CAS 110-71-4. Bethesda, MD: National Center for Biotechnology Information (NCBI), National Library of Medicine. https://pubchem.ncbi.nlm.nih.gov/#query=110-71-4.

📐 Normes / Lignes directrices

  1. ICH. 2003. "Stability Testing of New Drug Substances and Products: Q1A(R2)." Geneva: International Council for Harmonisation of Technical Requirements for Pharmaceuticals for Human Use. https://database.ich.org/sites/default/files/Q1A%28R2%29%20Guideline.pdf.
  2. National Fire Protection Association (NFPA). 2024. "NFPA 30: Flammable and Combustible Liquids Code." NFPA, Quincy, MA. https://www.nfpa.org/codes-and-standards/all-codes-and-standards/list-of-codes-and-standards/detail?code=30.
  3. Occupational Safety and Health Administration (OSHA). 2023. "29 CFR 1910.106 — Flammable Liquids." U.S. Department of Labor, Federal Register. https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.106.
  4. European Chemicals Agency (ECHA). 2024. "Annex VI to Regulation (EC) No 1272/2008 (CLP) — Harmonised Classification and Labelling." ECHA, Helsinki / Official Journal of the European Union. https://echa.europa.eu/regulations/clp/clp-classification.
  5. European Committee for Standardization (CEN). 2016. "EN 374-1:2016 — Protective gloves against dangerous chemicals and micro-organisms — Part 1: Terminology and performance requirements for chemical risks." CEN, Brussels. https://standards.cencenelec.eu/dyn/www/f?p=205:110:::::FSP_PROJECT,FSP_ORG_ID:38536,6080&cs=1B0DAA8B85DF42E4A2C70E5D71F0BFA32.
  6. European Committee for Standardization (CEN). 2001. "EN 166:2001 — Personal eye-protection — Specifications." CEN, Brussels. https://standards.cencenelec.eu/dyn/www/f?p=CEN:110:0::::FSP_PROJECT:6541&cs=1F1A4E0A78C4DB6A28DBE2E8C29D89DCF.
  7. European Committee for Standardization (CEN). 2009. "EN 14605:2005+A1:2009 — Protective clothing against liquid chemicals — Performance requirements for clothing with liquid-tight (Type 3) or spray-tight (Type 4) connections." CEN, Brussels. https://standards.cencenelec.eu/dyn/www/f?p=CEN:110:0::::FSP_PROJECT:21581&cs=1A04A2D3C7CC58E9E6CB58D55F7EBFB7E.
  8. National Institute for Occupational Safety and Health (NIOSH). 2017. "Recommendations for Chemical Protective Clothing: A Companion to the NIOSH Pocket Guide." U.S. Department of Health & Human Services / CDC. https://www.cdc.gov/niosh/ncpc/default.html.
  9. Occupational Safety and Health Administration (OSHA). 2011. "Personal Protective Equipment — General requirements." U.S. Department of Labor — 29 CFR 1910.132. https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.132.

📖 Livres

  1. Hansen, Charles M. 2007. Hansen Solubility Parameters: A User's Handbook, 2nd ed.. Boca Raton, FL: CRC Press. https://www.routledge.com/Hansen-Solubility-Parameters-A-Users-Handbook/Hansen/p/book/9780849372483.
  2. Barton, Allan F. M. 1991. CRC Handbook of Solubility Parameters and Other Cohesion Parameters: 2nd ed.. Boca Raton, FL: CRC Press. https://www.routledge.com/CRC-Handbook-of-Solubility-Parameters-and-Other-Cohesion-Parameters/Barton/p/book/9780849301766.
  3. Connors, Kenneth A., Gordon L. Amidon, and Valentino J. Stella. 1986. Chemical Stability of Pharmaceuticals: A Handbook for Pharmacists, 2nd ed.. New York: Wiley. https://doi.org/10.1002/0471734683.
  4. Rumble, John R., ed. 2019. CRC Handbook of Chemistry and Physics: 100th Edition. Boca Raton, FL: CRC Press. https://hbcp.chemnetbase.com/.
  5. Urben, Peter G. 2017. Bretherick's Handbook of Reactive Chemical Hazards, 8th Edition. Academic Press / Elsevier, Oxford. https://www.sciencedirect.com/book/9780081010594.

📄 Articles scientifiques (évalués par les pairs)

  1. Stefanis, Emmanuel, and Costas Panayiotou. 2008. "Prediction of Hansen Solubility Parameters with a New Group-Contribution Method." International Journal of Thermophysics 29: 568-585. https://doi.org/10.1007/s10765-008-0415-z.
  2. Stoll, Vincent S., and John S. Blanchard. 1990. "Buffers: Principles and Practice: In Methods in Enzymology, vol. 182." San Diego: Academic Press. https://doi.org/10.1016/0076-6879(90)82008-P.

🌐 Sites web

  1. ECHA. 2023. "Guidance on the Application of the CLP Criteria." European Chemicals Agency. https://echa.europa.eu/guidance-documents/guidance-on-clp.
  2. European Parliament. 2006. "Regulation (EC) No 1907/2006 (REACH)." Official Journal of the European Union L 396: 1–849.
  3. ECHA. 2023. "Candidate List of Substances of Very High Concern for Authorisation." European Chemicals Agency. https://echa.europa.eu/candidate-list-table.
  4. European Parliament. 2008. "Regulation (EC) No 1272/2008 on Classification, Labelling and Packaging of Substances and Mixtures (CLP)." Official Journal of the European Union L 353: 1–1355.
  5. ECHA. 2017. "Guidance on the Compilation of Safety Data Sheets." Version 3.1. European Chemicals Agency. ECHA-17-G-01-EN. https://echa.europa.eu/documents/10162/23047722/sds_en.pdf.
  6. ECHA. 2022. "Restrictions Under REACH — Annex XVII." European Chemicals Agency. https://echa.europa.eu/substances-restricted-under-reach.
  7. United Nations. 2021. Globally Harmonized System of Classification and Labelling of Chemicals (GHS). 9th revised ed. ST/SG/AC.10/30/Rev.9. New York and Geneva: United Nations. https://unece.org/ghs-rev9-2021.
  8. ECHA. 2020. "Understanding REACH." European Chemicals Agency. https://echa.europa.eu/regulations/reach/understanding-reach.
  9. ECHA — Zalacznik VI do CLP (klasyfikacja zharmonizowana, ATP 23; 2026-07-07) https://echa.europa.eu/information-on-chemicals/annex-vi-to-clp.
  10. Snyder, Lloyd R., John W. Dolan, and Joseph J. Kirkland. 2010. Introduction to Modern Liquid Chromatography. Wiley.
  11. Schoenmakers, Peter J.. 1986. Optimization of Chromatographic Selectivity: A Guide to Method Development. Elsevier.
  12. Snyder, L. R., and J. W. Dolan. 2007. High-Performance Gradient Elution: The Practical Application of the Linear-Solvent-Strength Model. Wiley.
  13. Nikitas, Pavlos, and Adrian Pappa-Louisi. 2009. "Retention models for isocratic and gradient elution in reversed-phase liquid chromatography." Journal of Chromatography A 1216: 1737-1755. https://doi.org/10.1016/j.chroma.2008.10.005.
  14. Carr, Peter W.. 2009. "The new physical chemistry of HPLC." Journal of Chromatography A 1216: 1764-1772. https://doi.org/10.1016/j.chroma.2008.11.094.
  15. Dong, Michael W.. 2019. HPLC and UHPLC for Practicing Scientists. Wiley. https://doi.org/10.1002/9781119313793.
  16. Wu, Naijun, and Anton M. Clausen. 2007. "Fundamental and practical aspects of ultrahigh pressure liquid chromatography for fast separations." Journal of Separation Science 30: 1167-1182. https://doi.org/10.1002/jssc.200700026.
  17. Stoll, Dwight R., and Peter W. Carr. 2017. "Two-Dimensional Liquid Chromatography: A State of the Art Tutorial." Analytical Chemistry 89: 519-531. https://doi.org/10.1021/acs.analchem.6b03506.
  18. Dolan, John W.. 2013. "When to Modify Method Conditions." LCGC North America 31: 192-199. https://www.chromatographyonline.com/view/when-modify-method-conditions.
  19. Meyer, Veronika R.. 2010. Practical High-Performance Liquid Chromatography. Wiley.
  20. Van Deemter, J. J., F. J. Zuiderweg, and A. Klinkenberg. 1956. "Longitudinal diffusion and resistance to mass transfer as causes of nonideality in chromatography." https://doi.org/10.1016/0009-2509(56)80003-1.
  21. Giddings, J. Calvin. 1965. "Dynamics of Chromatography, Part I: Principles and Theory." Marcel Dekker.
  22. Poppe, Hans. 1997. "Some reflections on speed and efficiency of modern chromatographic methods." https://doi.org/10.1016/S0021-9673(97)00376-2.
  23. Wu, Naijun, and Anton M. Clausen. 2007. "Fundamental and practical aspects of ultrahigh pressure liquid chromatography for fast separations." https://doi.org/10.1002/jssc.200700026.
  24. Carr, Peter W.. 2009. "The new physical chemistry of HPLC." https://doi.org/10.1016/j.chroma.2008.11.094.
  25. Knox, John H.. 1977. "Practical aspects of LC theory." https://doi.org/10.1093/chromsci/15.9.352.
  26. Snyder, L. R., J. J. Kirkland, and J. L. Glajch. 1997. "Practical HPLC Method Development." Wiley.
  27. Engelhardt, Heinz. 2014. "100 Years of Chromatography." Wiley-VCH.
  28. Sadek, Paul C.. 2002. "The HPLC Solvent Guide." Wiley-Interscience.
  29. Snyder, L. R.. 1978. "Classification of the solvent properties of common liquids." https://doi.org/10.1093/chromsci/16.6.223.
  30. Reichardt, Christian, and Thomas Welton. 2010. "Solvents and Solvent Effects in Organic Chemistry." Wiley-VCH.
  31. Vailaya, Anant, and Csaba Horváth. 1998. "Retention thermodynamics in hydrophobic interaction chromatography." https://doi.org/10.1021/ie980212h.
  32. Krstulović, Andrea M., and Phyllis R. Brown. 1981. "Reversed-phase High-Performance Liquid Chromatography." Wiley.
  33. Boysen, Reinhard I., and Milton T. W. Hearn. 2009. "Multi-modal HPLC of proteins." https://doi.org/10.1093/chromsci/47.8.645.
  34. USP General Chapter <621>. 2024. "Chromatography." United States Pharmacopeial Convention. https://www.usp.org/harmonization-standards/pdg/general-chapters/chromatography.
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