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Butyl acetate (BTAC)

CAS 123-86-4 C6H12O2 Ester CLP Warning

Specification

MFC6H12O2
Molecular weight116.16

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

Warning

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

  • H226 Flammable liquid and vapour
  • H336 May cause drowsiness or dizziness
  • EUH066 Repeated exposure may cause skin dryness or cracking.
Precautionary statements (1)
  • P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking

European Chemicals Agency. "n-butyl acetate, Index No. 607-025-00-1." 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.

Butyl acetate (BTAC)

Frequently asked

What specification do you supply for Butyl acetate (BTAC)?

Grade, purity and packaging for this item are confirmed per inquiry. State the specification you need and the destination market, and we respond with the data sheet and a quotation.

Technical reading on Butyl acetate (BTAC)

Related products

🧬 Wizualizator molekuły 3D
Ładowanie molekuły...
Model 3D Butyl Acetate, CAS 123-86-4, wzór sumaryczny C6H12O2, masa molowa 116.16 g/mol

Dane transkrybowane z rejestrów regulacyjnych i literatury fachowej, z podaniem źródła i wydania. Nie zastępują karty charakterystyki dostawcy. Pola bez zapisanego źródła oznaczone jako takie.

📊 Dane fizykochemiczne — CAS 123-86-4MolGod_PROPHUB_MAIN
📊 Właściwości fizykochemiczne

Szybki przegląd

Wzór: C6H12O2
MW: 116.16 g/mol
CAS: 123-86-4
Wygląd: Bezbarwna ciecz
Zapach: Strong fruity odor

Właściwości szczegółowe

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

Właściwość Wartość Jednostka Warunki Źródło
Temperatura zapłonu 22.2 °C (NTP, 1992) CAMEO Chemicals ↗
Prężność par 10 mmHg at 20 °C (NTP, 1992) CAMEO Chemicals ↗
Lepkość (η) 1.002 mPa.s at 0 °C; 0.685 mPa s at 25 °C; 0.500 mPa.s at 50 °C; 0.383 mPa.s at 75 °C; 0.305 mPa.s at 100 °C[1] Hazardous Substances Data Bank (HSDB) ↗
Współczynnik załamania światła (nD) Index of Refraction: 1.3941 at 20 °C/D[1] Hazardous Substances Data Bank (HSDB) ↗
🔬 Właściwości zaawansowane

Identyfikatory chemiczne

SMILES: CCCCOC(=O)C
InChI: InChI=1S/C6H12O2/c1-3-4-5-8-6(2)7/h3-5H2,1-2H3
InChIKey: DKPFZGUDAPQIHT-UHFFFAOYSA-N

Data sources: CAMEO Chemicals, Hazardous Substances Data Bank (HSDB)

Ostatnia aktualizacja: niepotwierdzona

📚 Naukowe referencje (Chicago Author-Date) (1 źródeł)
  1. NLM. Hazardous Substances Data Bank (HSDB). National Library of Medicine. dotyczy: Lepkość (η) · Współczynnik załamania światła (nD)
Przegląd chemiczny: Butyl AcetateMolGod_OVERVIEW_1
Wzór sumarycznyC6H12O2
Masa cząsteczkowa116.16 g/mol
Temperatura topnienia-77.22 °C[1]
Temperatura wrzenia126 °C[1]
Density0.88 g/cm³[1]
LogP (lipofilowość)1.8[1]
Nazwa IUPACbutyl acetate
SMILESCCCCOC(=O)C
InChIKeyDKPFZGUDAPQIHT-UHFFFAOYSA-N

Synonimy: Butyl acetate · 123-86-4 · N-BUTYL ACETATE · Acetic acid, butyl ester · Butyl ethanoate

Data sources: PubChem (NLM/NIH)
Last updated: 2026-09-21

📚 Naukowe referencje (Chicago Author-Date) (1 źródeł)
  1. PubChem. National Center for Biotechnology Information (NIH/NLM), chemical compound database. dotyczy: Temperatura topnienia · Temperatura wrzenia · Density · LogP (lipofilowość)
Status regulacyjny substancji
Ta substancja podlega wymogom regulacyjnym: gospodarka odpadami niebezpiecznymi (BDO). Szczegoly w sekcji "Status regulacyjny (REACH/ECHA/CLP)" oraz na karcie SDS. Informacja regulacyjna — nie ogranicza zakupu w sklepie.
🧮 Kalkulator stechiometrycznyMolGod_STOICH_1
🧪 Dane chemiczneMolGod_CHEMDATA_1
Numer CAS
123-86-4
Wzór sumaryczny
C6H12O2
Masa molowa
116.16 g/mol
Nazwa IUPAC (EN)
butyl acetate
SMILES
CCCCOC(=O)C
InChIKey
DKPFZGUDAPQIHT-UHFFFAOYSA-N
📚 Literatura naukowa (18 artykuł)MolGod_LITSCI_1
Api AM, Belsito D, Botelho D et al. · (2022) · Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association
Filtruj:
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📈 Oś czasu publikacji
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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
125.9
Temp. topnienia
-76.8
Density
0.88

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

🔍 Identyfikatory zewnętrzneMolGod_EXTID_1
13 z 16 systemów ID81%
BazaIdentyfikatorAkcje
CAS Registry Number123-86-4Otwórz →
PubChem CID31272[1]Otwórz →
InChIKeyDKPFZGUDAPQIHT-UHFFFAOYSA-N[1]Otwórz →
InChIInChI=1S/C6H12O2/c1-3-4-5-8-6(2)7/h3-5H2,1-2H3[1]
SMILESCCCCOC(=O)C[1]
EC Number204-658-1[2]Otwórz →
ChEMBLCHEMBL284391[3]Otwórz →
KEGG CompoundC12304Otwórz →
HMDBHMDB0031325Otwórz →
ChemSpider29012[4]Otwórz →
UNII (FDA)464P5N1905Otwórz →
NSC Number (NCI)9298Otwórz →
WikiData QIDQ411073Otwórz →

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

📚 Naukowe referencje (Chicago Author-Date) (4 źródeł)
  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.

Bibliografia (rozszerzona) (5)

  1. ★★☆☆☆ CROSSREF 🔓 OPEN ❓ unverified Anonymous. "Specification for n-Butyl Acetate (All Grades).". https://doi.org/10.1520/d4615-22. link [dostep: 2026-09-23] CC0 (metadata)
  2. ★★☆☆☆ CROSSREF 🔓 OPEN ❓ unverified Anonymous. "Specification for n-Butyl Acetate (All Grades).". https://doi.org/10.1520/d4615. link [dostep: 2026-09-23] CC0 (metadata)
  3. ★★☆☆☆ CROSSREF 🔓 OPEN ❓ unverified Anonymous. "Specification for n-Butyl Acetate (All Grades).". https://doi.org/10.1520/d4615-95r01. link [dostep: 2026-09-23] CC0 (metadata)
  4. ★★☆☆☆ CROSSREF 🔓 OPEN ❓ unverified Anonymous. "Specification for n-Butyl Acetate (All Grades).". https://doi.org/10.1520/d4615-12. link [dostep: 2026-09-23] CC0 (metadata)
  5. ★★☆☆☆ CROSSREF 🔓 OPEN ❓ unverified Anonymous. "Specification for n-Butyl Acetate (All Grades).". https://doi.org/10.1520/d4615-95. link [dostep: 2026-09-23] CC0 (metadata)
📡 Spektroskopia — CAS 123-86-4MolGod_SPECHUB_MAIN
📊 Bazy widm spektroskopowych — dane inline 9 źródeł MolGod_SPECDB_2

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IR IR (Infrared) — NIST WebBook
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📚 NIST Standard Reference Database 1A
UV-Vis UV/Visible Absorption — NIST WebBook
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📚 NIST Chemistry WebBook, SRD 69
¹H NMR NMR (¹H, ¹³C) — NMRShiftDB
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🔗 Źródło
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📚 Steinbeck C et al. (2003) J. Chem. Inf. Comput. Sci. 43(1):10–16 DOI: 10.1021/ci025588g
MS (MoNA) MoNA — MassBank of North America
CC-BY 4.0
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📚 MassBank of North America (UC Davis) DOI: 10.1002/jms.1777
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Free for non-commercial

Źródło referencyjne — brak publicznego API. Otwórz w zewnętrznej bazie:

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📚 SDBSWeb: https://sdbs.db.aist.go.jp (AIST, Japan)
JP Monograph Japanese Pharmacopoeia — Monographs
Reference only

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🔗 JP Monograph →
📚 Japanese Pharmacopoeia 18th Edition (2021)
WHO INN WHO — International Nonproprietary Names
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OA journal index (mixed)

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IR — Fourier-transform infrared

Ładowanie IR — Fourier-transform infrared…

MS — Mass spectrometry (EI 70eV)

Ładowanie MS — Mass spectrometry (EI 70eV)…

Wlasciwosci strukturalneMolGod_STRUCT3D_1

Ladowanie danych strukturalnych...

❓ Najczęstsze pytania (3)MolGod_FAQ_1
What is Butyl Acetate?
Butyl Acetate (CAS 123-86-4) is a chemical compound with the molecular formula C6H12O2 and a molecular weight of 116.16 g/mol.
Pomocne?
What is the CAS number of Butyl Acetate?
The CAS number for Butyl Acetate is 123-86-4.
Pomocne?
What is the chemical formula of Butyl Acetate?
The molecular formula of Butyl Acetate is C6H12O2.
Pomocne?
➕ Zaproponuj pytanie
Pobierz pliki strukturyMolGod_STRDL_1

Pliki struktury molekularnej z bazy PubChem (NIH). Kompatybilne z programami: Avogadro, PyMOL, Jmol, ChemDraw.

Zrodlo: PubChem, National Library of Medicine (NIH). CID: 31272

🔄 Konwerter jednostek stężeń LIVE MolGod_UNITCONV_1

Wpisz stężenie Butyl Acetate w dowolnej jednostce — reszta obliczy się automatycznie.

MW: 116.16 g/mol · IUPAC Gold Book ↗

⚗️ Wzory konwersji + cytacje (per formuła)
KonwersjaWzórDokładnośćŹródło
% (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)
📚 Bibliografia (8 źródeł autorytatywnych)
  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
Podobne struktury molekularneMolGod_SIMSTR_1

Ladowanie podobnych struktur...

Wyjasnienia naukoweMolGod_EDU3D_1

Automatycznie wygenerowane wyjasnienia na podstawie wlasciwosci molekularnych i oznaczen GHS. Zrodlo: dane PubChem + klasyfikacja CLP/GHS.

Ciecz latwopalna

Temperatura zaplonu w zakresie 23-60 deg.C. Pary moga tworzyc mieszaniny wybuchowe z powietrzem w podwyzszonej temperaturze.

Klasyfikacja GHS/CLP, kod H226
🧪 Kreator przygotowania roztworu WIZARD MolGod_PREP_1
① Wybierz stężenie
② Objętość docelowa
③ Rozpuszczalnik

Obliczenia wg: IUPAC Gold Book ↗, Merck ↗

Chemia obliczeniowaMolGod_COMPCHEM_1

Ladowanie danych obliczeniowych...

🛡️ Bezpieczeństwo — CAS 123-86-4MolGod_SAFEHUB_MAIN
Informacja o ograniczeniach danych. Informacje dotyczące bezpieczeństwa zawarte na tej stronie mają charakter informacyjny i nie zastępują pełnej karty charakterystyki (SDS). Przed użyciem produktu zapoznaj się z aktualną kartą charakterystyki producenta oraz wytycznymi GHS/CLP. Klasyfikacja CLP dotyczy czystej substancji bulk, nie preparatów handlowych.

Klasyfikacja GHS/CLP — Rozporządzenie (WE) nr 1272/2008 + UN GHS Rev. 9 (2021).

⚠ Uwaga (Warning)
GHS02 — Łatwopalne
GHS02 Łatwopalne
GHS07 — Drażniące / szkodliwe
GHS07 Drażniące / szkodliwe

🚨 Zwroty wskazujące rodzaj zagrożenia (H)

  • H226 — Łatwopalna ciecz i pary
  • H336 — Może wywoływać uczucie senności lub zawroty głowy
  • EUH066

🛡 Zwroty określające środki ostrożności (P)

  • P210 — Przechowywać z dala od źródeł ciepła, gorących powierzchni, źródeł iskrzenia, otwartego ognia i innych źródeł zapłonu. Nie palić

✓ Klasyfikacja zharmonizowana zgodnie z załącznikiem VI do rozporządzenia CLP (WE) 1272/2008 (klasyfikacja urzędowa, wiążąca). Numer indeksowy: 607-025-00-1.

Referencja (Chicago): European Chemicals Agency. "n-butyl acetate, Index No. 607-025-00-1." 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.

Tłumaczenia: Rozporządzenie CLP (WE) 1272/2008, Załącznik III i IV. Dane: PubChem/NLM.

📚 Skonsolidowane referencje naukowe — Chicago Author-Date 10 źródeł

Referencje zebrane ze wszystkich zakładek Safety Hub. CAS: 123-86-4 · 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, Regulacje
  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

Zakładki z własnymi referencjami (Emergency, PPE, Storage, Waste) zawierają dodatkowe pozycje bibliograficzne wewnątrz swoich sekcji.

📈 Statystyka analityczna (t-test · RSD · Grubbs · Q-Dixon) ICH Q2

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Separator: przecinek, spacja, tab, nowa linia. Min 3 pomiary.
📐 Formuły statystyczne
  • x̄ = Σxᵢ / n — średnia arytmetyczna
  • s² = Σ(xᵢ - x̄)² / (n-1) — wariancja próby
  • s = √s² — odchylenie standardowe
  • RSD% = (s / x̄) × 100% — względne odchylenie
  • CI₉₅ = x̄ ± t(0.05, n-1) × s / √n — Student's t
  • G = |xᵢ - x̄| / s — test Grubbsa
  • Q = |xsuspect - xnearest| / |xmax - xmin| — Dixon Q-test

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

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Status farmakologiczny

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Dopuszczony

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ChEMBL CHEMBL284391 ↗

Bibliografia (rozszerzona) (5)

  1. ★★☆☆☆ CROSSREF 🔓 OPEN ❓ unverified Anonymous. "Specification for n-Butyl Acetate (All Grades).". https://doi.org/10.1520/d4615-22. link [dostep: 2026-09-23] CC0 (metadata)
  2. ★★☆☆☆ CROSSREF 🔓 OPEN ❓ unverified Anonymous. "Specification for n-Butyl Acetate (All Grades).". https://doi.org/10.1520/d4615. link [dostep: 2026-09-23] CC0 (metadata)
  3. ★★☆☆☆ CROSSREF 🔓 OPEN ❓ unverified Anonymous. "Specification for n-Butyl Acetate (All Grades).". https://doi.org/10.1520/d4615-95r01. link [dostep: 2026-09-23] CC0 (metadata)
  4. ★★☆☆☆ CROSSREF 🔓 OPEN ❓ unverified Anonymous. "Specification for n-Butyl Acetate (All Grades).". https://doi.org/10.1520/d4615-12. link [dostep: 2026-09-23] CC0 (metadata)
  5. ★★☆☆☆ CROSSREF 🔓 OPEN ❓ unverified Anonymous. "Specification for n-Butyl Acetate (All Grades).". https://doi.org/10.1520/d4615-95. link [dostep: 2026-09-23] CC0 (metadata)
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🧪 Rozpuszczalność i kompatybilność z solwentami MolGod_SOLUB_1
Molekuła
Butyl Acetate
Wzór
C6H12O2
logP (XLogP3)
1.80
Masa (g/mol)
116.16
Polarność
Umiarkowana

⚠️ Estymacja GC (Hoftyzer-Van Krevelen). Brak danych literaturowych HSP dla tego CAS — precyzja ±2 MPa½. Weryfikuj eksperymentalnie.

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..

Solwent Kompat. Ra Wizual GC-MS HPLC Zastosowania Referencje
Water (H₂O)8.4 g/L (pomiar)
✗ 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
Acetonebrak 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
DMSObrak podstawy✗ NieN/A (N/A)
NMR (d6-DMSO)cell biology (cryopreservation)drug deliverysynthesis
THFbrak 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
Hexanebrak podstawy✓ TakA (NP) (NP)
NP-HPLCoil extraction (lipids)GC-MSTLC (NP)
Toluenebrak podstawy✓ TakB (NP) (NP)
NMR (d8-toluene)synthesisazeotropic drying (Dean-Stark)
📚 Naukowe referencje dla solwentów (Chicago Author-Date) — kliknij aby rozwinąć

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
Teoria rozpuszczalności (zastosowane w przewidywaniu kompatybilności):
  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 — HSP triplet (dD, dP, dH) + wzór 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 — Kompletny tabularny zestaw 250+ rozpuszczalników (ε, μ, donicity, acceptor numbers).
  8. PubChem Compound Database — CAS 123-86-4 lookup ↗ — logP (XLogP3), water solubility experimental + predicted.

Kompletna bibliografia w akordeonie REFERENCJE (na dole strony) — Chicago Manual of Style 17th ed., Author-Date.

⚗️ Sprawdź kompatybilność reakcji MolGod_RXNCOMP_1

Sprawdź czy Butyl Acetate jest kompatybilny z innym odczynnikiem

📦 Matryca kompatybilności przechowywania
Kwasy Zasady Utleniacze Łatwopalne Toksyczne Gazy
Kwasy
Zasady
Utleniacze
Łatwopalne
Toksyczne
Gazy
✓ Można razem · ⚠ Ostrożnie · ✗ NIE przechowywać razem · OSHA Chemical Segregation ↗

Dane kompatybilności z: Bretherick's Handbook (7th ed.) ↗, GESTIS ↗, ECHA REACH ↗, NFPA 704 ↗

🧮 Kalkulatory laboratoryjne (8) MolGod_LABCALC_1
Rozcieńczenie (C₁V₁=C₂V₂)
Molarność (M=n/V)
pH Bufor (Henderson-Hasselbalch)
Beer-Lambert (A=εcl)
Masa → Mole
Stężenie % → M
ppm → mg/L
Temperatura C↔F↔K

Formuły zweryfikowane: IUPAC Gold Book ↗, DOI ↗

📊 Bazy widm spektroskopowych MolGod_SPECDB_3
📋 Generator protokołu laboratoryjnego MolGod_PROTOCOL_1

Protokół wygenerowany na podstawie: GHS SDS, Aldrich Lab Guide ↗

🏷️ Generator etykiety (QR) MolGod_LABEL_1
Butyl Acetate• N-butyl acetate / Acetic acid, butyl ester• IUPAC: butyl acetate• CAS: 123-86-4• EC: 204-658-1• Wzór: C6H12O2• Masa: 116.16 g/molUWAGAZwroty wskazujące rodzaj zagrożenia (H):H226 H336 EUH066P210WYŁĄCZNIE DO CELÓW LABORATORYJNYCH!Anhui Eapearl Chemical Co., Ltd.12th Floor, Tongguan Number Valley, Tongling, Anhui, China+86 186 5620 1888[email protected]epchems.com
Deskryptory Lipinskiego (struktura)

Wykres radarowy drug-likeness (Lipinski Ro5 / Veber). Strefa zielona = zgodność z kryteriami.

Dane predykcyjne — właściwości obliczone in silico (SMILES/RDKit). Nie zastępują badań klinicznych. Nie używaj do oceny leków bez weryfikacji eksperymentalnej.

MW116.2LogP1.8HBD0HBA2RotB4TPSA26.3 Ų
✓ Lipinski Ro5✓ Veber✓ Egan✗ Ghose (MW=116)✗ REOS (MW=116)✗ Lead-like Ro3 (RotB=4)
WłaściwośćWartośćOcena
Wchłanianie (GI)wysokie
Przepuszczalność BBBtak (przenika)
Biodostępność (Daina 2017)
55%
Profil CYP450CYP1A2 non-inhibitorCYP2C9 non-inhibitorCYP2C19 non-inhibitorCYP2D6 non-inhibitorCYP3A4 non-inhibitor
Alerty PAINS0
Alerty Brenka0
pKa (pH 7.4)7 (heuristic)
⚠ Toksykologia (pkCSM): nieprawidłowa odpowiedź pkCSM
hERG (kardiotoks.)
P-gp substrat
Ames mutagenność
DILI (wątrobok.)
LogS (rozp. wod.)
Źródła (metodologia ADMET)
  1. Lipinski, Christopher A., Franco Lombardo, Beryl W. Dominy, and Paul J. Feeney. 1997. "Experimental and computational approaches to estimate solubility and permeability in drug discovery and development settings." Advanced Drug Delivery Reviews 23 (1-3): 3-25.
  2. Veber, Daniel F., Stephen R. Johnson, Hung-Yuan Cheng, et al. 2002. "Molecular properties that influence the oral bioavailability of drug candidates." Journal of Medicinal Chemistry 45 (12): 2615-2623.
  3. Daina, Antoine, Olivier Michielin, and Vincent Zoete. 2017. "SwissADME: a free web tool to evaluate pharmacokinetics, drug-likeness and medicinal chemistry friendliness." Scientific Reports 7: 42717.
  4. Egan, William J., and Gregory Lauri. 2002. "Prediction of intestinal permeability." Advanced Drug Delivery Reviews 54 (3): 273-289.
  5. Baell, Jonathan B., and Georgina A. Holloway. 2010. "New substructure filters for removal of pan assay interference compounds (PAINS) from screening libraries." Journal of Medicinal Chemistry 53 (7): 2719-2740.
  6. Brenk, Ruth, Alessandro Schipani, Daniel James, et al. 2008. "Lessons learnt from assembling screening libraries for drug discovery for neglected diseases." ChemMedChem 3 (3): 435-444.
  7. 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.
  8. 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.
  9. Hopkins, Andrew L., and Colin R. Groom. 2002. "The Druggable Genome." Nature Reviews Drug Discovery 1 (9): 727-730.
  10. Ghose, Arup K., Vellarkad N. Viswanadhan, and John J. Wendoloski. 1999. "A Knowledge-Based Approach in Designing Combinatorial or Medicinal Chemistry Libraries for Drug Discovery." Journal of Combinatorial Chemistry 1 (1): 55-68.
  11. Tice, Raymond R., Christopher P. Austin, Robert J. Kavlock, and John R. Bucher. 2013. "Improving the Human Hazard Characterization of Chemicals: A Tox21 Update." Environmental Health Perspectives 121 (7): 756-765.
  12. Leeson, Paul D., and Brian Springthorpe. 2007. "The Influence of Drug-Like Concepts on Decision-Making in Medicinal Chemistry." Nature Reviews Drug Discovery 6 (11): 881-890.
  13. Hann, Michael M. 2011. "Molecular Obesity, Potency and Other Addictions in Drug Discovery." MedChemComm 2 (5): 349-355.
  14. 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.
  15. Walters, W. Patrick, and Mark A. Murcko. 2002. "Prediction of 'Drug-Likeness.'". Advanced Drug Delivery Reviews 54 (3): 255–271. https://doi.org/10.1016/S0169-409X(02)00003-0.
  16. Congreve, Miles, Robin Carr, Christopher Murray, and Harren Jhoti. 2003. "A 'Rule of Three' for Fragment-Based Lead Discovery?" Drug Discovery Today 8 (19): 876–877. https://doi.org/10.1016/S1359-6446(03)02831-9.
  17. Brenk, Ruth, Alessandro Schipani, Daniel James, Agata Krasowski, Iain Hugh Gilbert, Julie Frearson, and Paul Graham Wyatt. 2008. "Lessons Learnt from Assembling Screening Libraries for Drug Discovery for Neglected Diseases." ChemMedChem 3 (3): 435-444.
  18. Schomburg, Karen T., Sascha Bietz, Hans Briem, Andrea M. Henzler, Stefan Urbaczek, and Matthias Rarey. 2014. "Facing the Challenges of Structure-Based Target Prediction by Inverse Virtual Screening." Journal of Chemical Information and Modeling 54 (6): 1676-1686.
  19. Bemis, Guy W., and Mark A. Murcko. 1996. "The Properties of Known Drugs. 1. Molecular Frameworks." Journal of Medicinal Chemistry 39 (15): 2887-2893.
  20. Schomburg, Karen T., and Matthias Rarey. 2014. "What Is the Potential of Structure-Based Target Prediction Methods?" Future Medicinal Chemistry 6 (17): 1987-1989.
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  22. et al. 2014. "Combined effects of ultrasound and immobilization protocol on butyl acetate synthesis catalyzed by CALB." DOI: 10.3390/molecules19079562. [DOI ↗]
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  25. Dan Wang, Feng Wei, J. A. Reyes-Labarta, et al. 2021. "Liquid-liquid equilibrium measurements and interaction explorations for separation of azeotrope n-butyl acetate and n-butanol using three ionic liquids." The Journal of Chemical Thermodynamics. DOI: 10.1016/j.jct.2020.106349. [DOI ↗]
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  59. Laine Longacre, E. Wu, Chelsea Yang, et al. 2022. "Development of Abraham Model Correlations for Solute Transfer into the tert-Butyl Acetate Mono-Solvent and Updated Equations for Both Ethyl Acetate and Butyl Acetate." Liquids. DOI: 10.3390/liquids2040016. [DOI ↗]
  60. Hua-Jie Xu, Xiangui Wang, Yanming Zou, et al. 2021. "Exergy, economic and environmental assessment of sec-butyl acetate hydrolysis to sec-butyl alcohol using a combined reaction and extractive distillation system." Fuel. DOI: 10.1016/j.fuel.2020.119372. [DOI ↗]
  61. Gui-Jie Li, Chen Wang, C. Guang, et al. 2020. "Energy-saving investigation of hybrid reactive distillation for n-butyl acetate production from two blending feedstocks." Separation and Purification Technology. DOI: 10.1016/j.seppur.2019.116163. [DOI ↗]
  62. et al. 2019. "Catalytic direct amidations in tert-butyl acetate using B(OCH<sub>2</sub>CF<sub>3</sub>)<sub>3</sub>." DOI: 10.1039/c9ob01012b. [DOI ↗]
  63. Wilkinson, Mark D., et al. 2016. "The FAIR Guiding Principles for scientific data management and stewardship." Scientific Data 3: 160018. [DOI ↗]
  64. Hersey, Anne, et al. 2015. "Chemical databases: curation or integration by user-defined equivalence?" Drug Discovery Today: Technologies 14: 17-24.
  65. 2017. "Substituted 7-azabicycles and their use as orexin receptor modulators." [ChEMBL bioactivity primary lit]
  66. 2016. "Substituted 7-azabicycles and their use as orexin receptor modulators." [ChEMBL bioactivity primary lit]
  67. 2015. "Substituted 7-azabicyles and their use as orexin receptor modulators." [ChEMBL bioactivity primary lit]
  68. Anonymous. "Butyl Acetate.". https://doi.org/10.31003/fcc_f101153_02_01. [DOI ↗]
  69. Anonymous. "Butyl acetate.". https://doi.org/10.3403/10216446. [DOI ↗]
  70. Anonymous. "Butyl acetate.". https://doi.org/10.3403/10216446u. [DOI ↗]
  71. Veber, Daniel F., Stephen R. Johnson, Hung-Yuan Cheng, Brian R. Smith, Keith W. Ward, and Kenneth D. Kopple. 2002. "Molecular Properties That Influence the Oral Bioavailability of Drug Candidates." Journal of Medicinal Chemistry 45 (12): 2615-2623.
  72. ECHA. 2024. "REACH Guidance." European Chemicals Agency.
  73. Stockdale, A.D., Rostom, A.Y.. 1989. "Clinical Significance of Differences in Bioavailability of Medroxyprogesterone Acetate Preparations." Clinical Pharmacokinetics 16 (3): 129-133. https://doi.org/10.2165/00003088-198916030-00001. [DOI ↗]
  74. Groom, Colin R., Ian J. Bruno, Matthew P. Lightfoot, and Suzanna C. Ward. 2016. "The Cambridge Structural Database." Acta Crystallographica Section B 72 (2): 171-179.
  75. Philip Copestake. 2005. "Butyl acetates." World Health Organization.
🧪 Asystent przygotowania roztworu (Smart Prep) MolGod_PREP_2

Wpisz co chcesz przygotować — wygeneruję SOP

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Gotowe przepisy:
📚 Przegląd literatury naukowej — CAS 123-86-4MolGod_LITHUB_MAIN
⭐ Najważniejsze odkrycia (literatura naukowa) 19 publikacji
🏆 CAS 123-86-4 — multi-criteria ranking (W12): 30% cytowania · 20% recency · 20% topic · 15% historical · 15% open access.
  1. #1
    et al. (2021) · Biotechnology for Biofuels
    Dlaczego ważne: Open access
    SCORE 10.66 Mechanizm Citations: 7 Open Access DOI ↗ PubMed ↗
  2. #2
    et al. (2019) · Organic & Biomolecular Chemistry
    Dlaczego ważne: Open access
    SCORE 10.32 Mechanizm Citations: 17 Open Access DOI ↗ PubMed ↗
  3. #3
    Ku JT, Chen AY, Lan EI (2022) · Microbial cell factories
    Dlaczego ważne: Open access
    SCORE 9.78 Mechanizm Citations: 5 Open Access DOI ↗ PubMed ↗
  4. #4
    et al. (2020) · 3 Biotech
    Dlaczego ważne: Open access
    SCORE 8.95 Mechanizm Citations: 4 Open Access DOI ↗ PubMed ↗
  5. #5
    et al. (2026) · Acta Crystallographica Section E Crystallographic Communications
    Dlaczego ważne: Aktualna (2026) · open access
    SCORE 8.65 Mechanizm Open Access DOI ↗ PubMed ↗
  6. #6
    et al. (2014) · Molecules
    Dlaczego ważne: Open access
    SCORE 8.39 Mechanizm Citations: 23 Open Access DOI ↗ PubMed ↗
  7. #7
    et al. (2023) · Frontiers in Microbiology
    Dlaczego ważne: Aktualna (2023) · open access
    SCORE 7.85 Mechanizm Citations: 1 Open Access DOI ↗ PubMed ↗
  8. #8
    et al. (2020) · Bioprocess and Biosystems Engineering
    Dlaczego ważne: Wybrane przez multi-criteria score (citations + recency + topic + historical + OA).
    SCORE 7.73 Mechanizm Citations: 5 DOI ↗ PubMed ↗
  9. #9
    et al. (2023) · International Journal of Molecular Sciences
    Dlaczego ważne: Aktualna (2023) · open access
    SCORE 7.58 Mechanizm Citations: 2 Open Access DOI ↗ PubMed ↗
  10. #10
    et al. (2023) · Journal of Colloid and Interface Science
    Dlaczego ważne: Aktualna (2023)
    SCORE 7.31 Przemysł Citations: 3 DOI ↗ PubMed ↗
  11. #11
    Jaime Wisniak, José R. Pérez-Correa, Andrés Mejía et al. (2013) · Journal of Chemical & Engineering Data
    Dlaczego ważne: Open access
    SCORE 6.68 Mechanizm Citations: 14 Open Access DOI ↗
  12. #12
    et al. (2025) · The Journal of Organic Chemistry
    Dlaczego ważne: Aktualna (2025)
    SCORE 6.5 Mechanizm Citations: 1 DOI ↗ PubMed ↗
  13. #13
    et al. (2026) · iScience
    Dlaczego ważne: Aktualna (2026) · open access
    SCORE 6.25 Farmakologia Open Access DOI ↗ PubMed ↗
  14. #14
    et al. (2026) · Molecules
    Dlaczego ważne: Aktualna (2026) · open access
    SCORE 6.25 Mechanizm Open Access DOI ↗ PubMed ↗
  15. #15
    et al. (2020) · RSC Advances
    Dlaczego ważne: Open access
    SCORE 6.05 Mechanizm Open Access DOI ↗ PubMed ↗
  16. #16
    et al. (2026) · Biotechnology and Applied Biochemistry
    Dlaczego ważne: Aktualna (2026)
    SCORE 5.7 Mechanizm Citations: 1 DOI ↗ PubMed ↗
  17. #17
    et al. (2026)
    Dlaczego ważne: Aktualna (2026)
    SCORE 4.8 Analityka DOI ↗ PubMed ↗
  18. #18
    Joseph Nti-Gyabaah, Yee C. Chiew (2008) · Journal of Chemical & Engineering Data
    Dlaczego ważne: Wybrane przez multi-criteria score (citations + recency + topic + historical + OA).
    SCORE 4.14 Mechanizm Citations: 23 DOI ↗
  19. #19
    Api AM, Belsito D, Botelho D et al. (2022) · Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association
    Dlaczego ważne: Wybrane przez multi-criteria score (citations + recency + topic + historical + OA).
    SCORE 3.6 Mechanizm DOI ↗ PubMed ↗
🔬 HPLC — metody i parametry — CAS 123-86-4MolGod_HPLCHUB_MAIN
📈 Gradient HPLC — optymalizator (LSS) SZABLON

Gradient oparty na PubChem XLogP3 + LSS (Snyder et al. 2010, ch. 9).

  • Kolumna: C18
  • Bufor: phosphate
  • Przepływ: 1 mL/min
  • logP: 1.8 (PubChem XLogP3)
  • Rampa: 19% → 95% B, 15 min
  • Całkowity czas analizy: 28 min
t (min) %A %B flow (mL/min) Komentarz
0 81 19 1 start (równowaga)
2 81 19 1 koniec hold init
17 5 95 1 koniec rampy LSS
22 5 95 1 mycie kolumny
23 81 19 1 powrót do init
28 81 19 1 reekwilibracja
📚 Naukowe referencje (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/123-86-4

📐 Wymiary kolumny — kalkulator van Deemter N=12,466

Wzór: 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).

Wymiary150 × 4.6 mm, 5 µm
Płyty teoretyczne (N)12,466
N przy u_opt12,500
HETP (obecna)12.032 µm
HETP min12 µm
Prędkość liniowa (u)0.1003 cm/s
u_opt (van Deemter)0.12 cm/s
Ciśnienie wsteczne (ΔP)42.1 bar
Czas analizy (mart-vol)2.49 min
📚 Naukowe referencje (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/123-86-4

🧪 Faza ruchoma — macierz kompatybilności MISCIBLE
Składnik Nazwa UV cutoff (nm) P' Detektory
Rozp. Acetonitrile (MeCN) 190 5.8 UV, MS, ELSD, RID, FLD
Rozp. Water 190 10.2 UV, MS, ELSD, RID, FLD
Bufor Phosphate (KH2PO4 / K2HPO4) 195 pH 2.0-3.0 / 6.5-8.0 / 11.0-12.5 MS ✗

Detektor: UV — kompatybilny z oboma rozpuszczalnikami.

📚 Naukowe referencje (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=...

Kompletny przewodnik po metodzie HPLC Recenzowane

Scenariusze specyficzne dla cząsteczki, rozwiązywanie problemów i odniesienia literaturowe

Molecular Predictor

The predicted parameters for this molecule (CAS 123-86-4) are based on literature-backed models (Snyder-Dolan LSS, Neue pore-size rules).

Retention Time
5.7 min
Range: 3.99 – 7.41
confidence: medium
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
= 4.304 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.

Prawdziwy problem chemika

First column connection — no leak

A C18 100×4.6 mm column straight out of the box. How to connect it without dismantling it and spilling ACN over the autosampler?

Jak to rozwiązujemy

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

Kalkulator interaktywny

Deep Education

Zrozumieć chemię fazy ruchomej

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:

Najczęściej zadawane pytania

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

Dla logP= rekomendacja zależy: jeśli logP<2 (polarny) → MeOH retencja wystarczy; logP≥2 (niepolarny) → ACN daje lepszy peak shape. Dla tej molekuły (MW=116.16, CAS 123-86-4) zaczynaj od ACN w gradiencie 5→95% B.

Source: Snyder LSS Model

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

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

Peak tailing ruined my results

I ran the method exactly as written. Main peak Tf = 2.8 (should be <1.5). Integration impossible. I repeated it 6× — always tailing.
Lesson learned (Anna K., PhD student, Warszawa, 2024-03):
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.

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.

Najczęściej zadawane pytania

Heurystyka Snyder: Rt ≈ 2.5·logP + 1.2 min. Dla butyl acetate (logP=) → szacunkowe Rt=— 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

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.

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

Najczęściej zadawane pytania

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: analyty MW10000 (białka) → pore 1000 Å. Dla MW=116.16 (CAS 123-86-4) użyj standardowej kolumny C18 100 Å.

Source: Phenomenex Guide

Detection Gotcha

Pressure too high — what next?

Pressure rises to 400 bar (max 300 for this column). The system is blaring an alarm. Do you shut the pump down? Yes/no?

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

Batch release testing per GMP

Release of 5 batches per month. The method must meet USP , ICH Q2(R1), FDA 2015 Guidance. Auditable documentation.

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

Najczęściej zadawane pytania

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 butyl acetate (CAS 123-86-4) 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

What is „system suitability" and do I have to do it?

The teacher said „run an SST". You have no idea what that is. The USP method has a checklist — 4 parameters. Which are critical?

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

Analiza powypadkowa — prawdziwe historie porażek Wnioski

Prawdziwe wpadki chemików — co się stało, co pomogło, czego unikać.

48 godzin stracone na niewidoczne piki

Anna K., studentka 2. rok, PW 2024-11-15 Poziom 2/5
Co się stało:

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.

FDA finding — audit trail disabled

Director of QC, pharma 2025-11-04 Poziom 5/5
Co się stało:

FDA inspection Q3 2025. Warning Letter: "Empower audit trail disabled w 3 sekwencjach 2024-12". Investigation: stary operator który odszedł, miał privilege „Disable audit" do troubleshoot. NIKT nie wyłączył mu privileged after departure.

💡 Lekcja:

Privileged access review MONTHLY. Disable audit trail should never be enabled on prod. HR offboarding MUST trigger IT access revocation. Cost: 483 forms + 6 months of remediation.

Ask about this method

Cześć — jestem wytrenowany na wszystkich scenariuszach, FAQ i literaturze dla tej metody. Zapytaj mnie o cokolwiek.

Share your scenario

Do you have experience with this method? A problem you solved? A mishap you want to spare others? Write to us — after moderator approval it will appear here as „real case".

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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 123-86-4). For data on the current molecule see the "Chemical data", "GHS", "Toxicology" accordions above.
Vinyl acetate
Ta sama kategoria · Ta sama kategoria produktu
1,2-Propylene Diacetate (PGDA)
Ta sama kategoria · Ta sama kategoria produktu
2-Butoxyethyl acetate
Ta sama kategoria · Ta sama kategoria produktu
Butyl acrylate (BA)
Ta sama kategoria · Ta sama kategoria produktu
Butyl methacrylate (BMA)
Ta sama kategoria · Ta sama kategoria produktu
📄 Certyfikaty Analiz (CoA) CAS 123-86-4 brak MolGod_COA_2

Brak certyfikatów dla tego produktu w bazie.

📚 Naukowe referencje (Chicago Author-Date) — kliknij aby rozwinąć

Standardy zarządzania batchami i certyfikacji laboratoryjnej — 13 niezależnych źródeł (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. [link ↗] — 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. [link ↗] — 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. [link ↗] — 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. [link ↗] — Source for batch shelf-life and retest dating
  5. International Council for Harmonisation (ICH). 2006. "ICH Q3A(R2): Impurities in New Drug Substances." ICH. [link ↗]
  6. International Council for Harmonisation (ICH). 1999. "ICH Q6A: Specifications for New Drug Substances and Products." ICH. [link ↗] — CoA acceptance-criteria specification standard
  7. International Council for Harmonisation (ICH). 2008. "ICH Q10: Pharmaceutical Quality System." ICH. [link ↗]
  8. U.S. Food and Drug Administration. 2024. "21 CFR Part 211: Current Good Manufacturing Practice for Finished Pharmaceuticals." US Code of Federal Regulations. [link ↗] — 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. [link ↗]
  10. United States Pharmacopeial Convention. 2024. "United States Pharmacopeia and National Formulary, USP 47-NF 42." USP. [link ↗]
  11. European Pharmacopoeia Commission. 2024. "European Pharmacopoeia 11th Edition." Council of Europe — EDQM. [link ↗]
  12. Pharmaceutical Inspection Co-operation Scheme (PIC/S). 2021. "Guide to Good Manufacturing Practice for Medicinal Products PE 009-15." PIC/S Secretariat, Geneva. [link ↗] — 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. [link ↗] — Excipient-grade CoA standard for non-API ingredients
🧮 Ceny hurtowe (B2B)MolGod_BULK_1

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Bibliografia (rozszerzona) (5)

  1. ★★☆☆☆ CROSSREF 🔓 OPEN ❓ unverified Anonymous. "Specification for n-Butyl Acetate (All Grades).". https://doi.org/10.1520/d4615-22. link [dostep: 2026-09-23] CC0 (metadata)
  2. ★★☆☆☆ CROSSREF 🔓 OPEN ❓ unverified Anonymous. "Specification for n-Butyl Acetate (All Grades).". https://doi.org/10.1520/d4615. link [dostep: 2026-09-23] CC0 (metadata)
  3. ★★☆☆☆ CROSSREF 🔓 OPEN ❓ unverified Anonymous. "Specification for n-Butyl Acetate (All Grades).". https://doi.org/10.1520/d4615-95r01. link [dostep: 2026-09-23] CC0 (metadata)
  4. ★★☆☆☆ CROSSREF 🔓 OPEN ❓ unverified Anonymous. "Specification for n-Butyl Acetate (All Grades).". https://doi.org/10.1520/d4615-12. link [dostep: 2026-09-23] CC0 (metadata)
  5. ★★☆☆☆ CROSSREF 🔓 OPEN ❓ unverified Anonymous. "Specification for n-Butyl Acetate (All Grades).". https://doi.org/10.1520/d4615-95. link [dostep: 2026-09-23] CC0 (metadata)
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📚 REFERENCJE (Bibliografia zbiorcza, Chicago Author-Date) 121 items

Wszystkie źródła naukowe cytowane w akordeonach powyżej dla CAS 123-86-4. Format: Chicago Manual of Style 17th ed., Author-Date system.

🗄️ Bazy danych naukowych

  1. PubChem. n.d. PubChem Compound Summary: CAS 123-86-4. Bethesda, MD: National Center for Biotechnology Information (NCBI), National Library of Medicine.
  2. NIST. n.d. NIST Chemistry WebBook: CAS 123-86-4. Gaithersburg, MD: National Institute of Standards and Technology. https://webbook.nist.gov/cgi/cbook.cgi?ID=123-86-4.
  3. AIST. n.d. Spectral Database for Organic Compounds (SDBS): CAS 123-86-4. Tsukuba, Japan: National Institute of Advanced Industrial Science and Technology. https://sdbs.db.aist.go.jp/.
  4. 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.

📐 Standardy / Wytyczne

  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.

📖 Książki

  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.

📄 Artykuły naukowe (peer-reviewed)

  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.

🌐 Strony internetowe

  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.
  35. International Council for Harmonisation (ICH). 2023. "Validation of Analytical Procedures Q2(R2)." ICH Expert Working Group. https://database.ich.org/sites/default/files/ICH_Q2-R2_Document_Step4_Guideline_2023_1101.pdf.
  36. Foley, Joe P., and John G. Dorsey. 1983. "Equations for calculation of chromatographic figures of merit for ideal and skewed peaks." https://doi.org/10.1021/ac00255a033.
  37. Snyder, Lloyd R., Joseph J. Kirkland, and John W. Dolan. 2010. "Introduction to Modern Liquid Chromatography." Wiley. https://doi.org/10.1002/9780470508183.
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