Does BMA mean n-butyl methacrylate or isobutyl methacrylate?

In most commercial usage the bare abbreviation means the normal isomer, n-butyl methacrylate, CAS 97-88-1. The branched isomer, isobutyl methacrylate, is a different substance with its own identifiers and a different contribution to copolymer hardness, and the tertiary isomer is different again. Because all three are abbreviated loosely in day-to-day correspondence, an order written as BMA alone is ambiguous. Write the full chemical name and the CAS number on every enquiry, purchase order and goods-inwards record.

Why must the monomer not be blanketed with pure nitrogen?

Because the stabiliser used in commercial methacrylate monomers requires dissolved oxygen to function. It intercepts radicals by a mechanism that consumes oxygen, so a drum stripped of oxygen contains an inhibitor that is chemically present and functionally absent. The correct headspace is air, or air diluted with nitrogen to a specified oxygen content, never an inert blanket. This is one of the very few cases in a chemical store where displacing oxygen makes a material more dangerous rather than less, and it catches people whose instinct is trained on flammable solvents.

How should inhibitor content be read on a certificate?

As a starting condition rather than a permanent property. The certificate reports the inhibitor level at release; that level falls in storage as the stabiliser does its job, and it falls faster in warm conditions, in light and in the presence of contamination. A long-stored drum can meet its original certificate on every other line while having very little inhibitor left. Where storage has been long or uncertain, retest the inhibitor level before charging a reactor rather than relying on the release figure.

What is popcorn polymerisation and why does it matter here?

It is a self-propagating, expanding polymer growth that forms in dead legs, vapour spaces, valve bonnets and residues where inhibitor cannot reach. Once seeded it continues under conditions that would not start a normal polymerisation, and it grows mechanically enough to jam valves and distort equipment. The controls are housekeeping controls: no unswept dead legs, no long-standing residues, no lines left full between campaigns, and clean vessels before refilling. It is not a reason to avoid methacrylate monomers, but it is a reason to design the pipework as if the monomer were reactive, because it is.

How does the butyl ester change a copolymer compared with the methyl one?

The four-carbon ester side chain is flexible and bulky, so it loosens chain packing and lowers the temperature at which the polymer softens. Against the methyl ester it gives a softer, more flexible and more extensible polymer, better adhesion and easier film formation, at the cost of hardness and block resistance. Against the corresponding acrylate it gives a harder polymer with the weathering advantage of the methacrylate backbone. Formulators use it as the soft component of an all-methacrylate system, which keeps the durability while tuning flexibility.

Che cos'è Diethylene Glycol Monoethyl Ether?

Diethylene Glycol Monoethyl Ether è un composto chimico registrato con il numero CAS 111-90-0. Formula bruta: C6H14O3. Massa molare: 134.17 g/mol. IUPAC: 2-(2-ethoxyethoxy)ethanol.

Qual è il numero CAS di Diethylene Glycol Monoethyl Ether?

Il numero CAS di Diethylene Glycol Monoethyl Ether è 111-90-0 — un identificativo univoco del Chemical Abstracts Service (CAS).

Qual è la formula bruta di Diethylene Glycol Monoethyl Ether?

Formula bruta: C6H14O3. Massa molare: 134.17 g/mol. logP (XLogP3): -0.5. PSA: 38.7 Å².

Quali sono i pericoli GHS di Diethylene Glycol Monoethyl Ether?

Secondo la classificazione GHS, Diethylene Glycol Monoethyl Ether deve riportare le seguenti indicazioni di pericolo: H227 (Substancja ciekła palna), H320 (Provoca irritazione oculare.), H372 (Provoca danni agli organi in caso di esposizione prolungata o ripetuta.).

Dove acquistare Diethylene Glycol Monoethyl Ether?

Diethylene Glycol Monoethyl Ether è disponibile nel nostro negozio. Vedi il prodotto: https://epchems.online/products/diethylene-glycol-monoethyl-ether/

Da dove provengono i dati chimici di Diethylene Glycol Monoethyl Ether?

I dati chimici di Diethylene Glycol Monoethyl Ether provengono da fonti autorevoli: PubChem (NIH), ChEMBL (EBI). PubChem CID: 8146. Conformi al Regolamento CLP (CE 1272/2008), disponibili con licenza CC-BY 4.0.

Diethylene Glycol Monoethyl Ether

CAS 111-90-0 · C₆H₁₄O₃ · MW 134.17 g/mol

Informazioni su Diethylene Glycol Monoethyl Ether

Diethylene Glycol Monoethyl Ether è un composto chimico registrato con il numero CAS 111-90-0, con formula bruta C₆H₁₄O₃, e massa molare di 134.17 g/mol.

La molecola contiene 23 atomi collegati da 22 legami chimici. Il nome sistematico IUPAC completo di questo composto è 2-(2-ethoxyethoxy)ethanol. Il modello 3D interattivo qui sopra permette di visualizzare la disposizione spaziale degli atomi — puoi ruotarlo con il mouse, zoomare con la rotellina e passare tra le modalità di visualizzazione scheletro / Ball & Stick / Space Fill.

Dal punto di vista delle proprietà chimico-fisiche, il coefficiente di ripartizione logP = -0.5 (valore negativo, composto idrofilo), superficie polare PSA = 38.7 Å², 1 donatori e 3 accettori di legami a idrogeno. Questi parametri sono fondamentali per valutare la biodisponibilità e l'interazione con le biomolecole.

I dati chimici di questo composto provengono da PubChem (NIH NLM NCBI), uno dei più grandi database chimici al mondo. Tutte le informazioni sono aggiornate automaticamente e arricchite con le traduzioni delle indicazioni di pericolo GHS conformi al Regolamento CLP (CE 1272/2008). Il widget qui sopra può essere utilizzato per scopi educativi, di ricerca e commerciali.

Proprietà chimico-fisiche

Wzór sumaryczny	C₆H₁₄O₃
Masa molowa	134.17 g/mol
IUPAC	2-(2-ethoxyethoxy)ethanol
SMILES	`CCOCCOCCO`
InChIKey	`XXJWXESWEXIICW-UHFFFAOYSA-N`
logP (XLogP3)	-0.5
PSA	38.7 Å²
HBD / HBA	1 / 3
PubChem CID	CID 8146 ↗

Sicurezza GHS

Sygnał: Niebezpieczeństwo

GHS08

H227 — Substancja ciekła palna

H320 — H320

H372 — Powoduje uszkodzenie narządów poprzez długotrwałe lub powtarzane narażenie

Letteratura scientifica

Literatura naukowa

20 artykułów · 9 open access · Źródła: PubMed, OpenAlex, Semantic Scholar

📈 Timeline publikacji (20 artykułów)

Wysokość słupka = liczba artykułów w roku. Hover dla szczegółów.

A review of the nonclinical safety of Transcutol®, a highly purified form of diethylene glycol monoethyl ether (DEGEE) used as a pharmaceutical excipient.

(2014)

Cytowania: 80$ PaywallDOI ↗PubMed ↗

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Improved Biosafety and Transdermal Delivery of Aconitine via Diethylene Glycol Monoethyl Ether-Mediated Microemulsion Assisted with Microneedles.

et al. (2020)

Cytowania: 19Open AccessDOI ↗PubMed ↗PDF ↗

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Review of Pharmaceutical Applications of Diethylene Glycol Monoethyl Ether.

(2022)

Cytowania: 14Open AccessDOI ↗PubMed ↗PDF ↗

Transdermal baicalin delivery using diethylene glycol monoethyl ether-mediated cubic phase gel.

et al. (2015)

Cytowania: 23$ PaywallDOI ↗PubMed ↗

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Safety assessment of the pharmacological excipient, diethylene glycol monoethyl ether (DEGEE), using in vitro and in vivo systems.

et al. (2019)

Cytowania: 10Open AccessDOI ↗PubMed ↗PDF ↗

Simultaneous determination of diethylene glycol, diethylene glycol monoethyl ether, coumarin and caffeine in food items by gas chromatography

et al. (2011)

Cytowania: 18$ PaywallDOI ↗

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Permeation Enhancer in Microemulsions and Microemulsion-Based Gels: A Comparison of Diethylene Glycol Monoethyl Ether and Oleyl Alcohol.

(2025)

Cytowania: 2Open AccessDOI ↗PubMed ↗PDF ↗

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Excess Properties, FT-IR Spectral Analysis, and CO<sub>2</sub> Absorption Performance of Monoethanolamine with Diethylene Glycol Monoethyl Ether or Methyldiethanolamine Binary Solutions.

(2025)

Cytowania: 2Open AccessDOI ↗PubMed ↗PDF ↗

Reproductive effects of diethylene glycol and diethylene glycol monoethyl ether in Swiss CD-1 mice assessed by a continuous breeding protocol.

et al. (1990)

Cytowania: 13$ PaywallDOI ↗PubMed ↗

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Diethylene glycol monoethyl ether-mediated nanostructured lipid carriers enhance trans-ferulic acid delivery by Caco-2 cells superior to solid lipid nanoparticles

Zhang Hongyu, Guo Jingwen, Wang Zhi et al. (2023) · Acta Pharmaceutica

Cytowania: 5Open AccessDOI ↗PDF ↗

Life-threatening triclopyr poisoning due to diethylene glycol monoethyl ether solvent.

et al. (2021)

$ PaywallDOI ↗PubMed ↗

Diethylene glycol monoethyl ether

David R. Lide (2024) · Handbook of Organic Solvents

$ PaywallDOI ↗

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Glycol esters, glycol ethers – Method for the determination of propylene glycol monoethyl ether, 1‐ethoxy‐2‐propanol acetate, diethylene glycol monomethyl ether, diethylene glycol monoethyl ether and diethylene glycol monobutyl ether in workplace air using gas chromatography [Air Monitoring Methods, 2018]

Y. Giesen, C. Friedrich, D. Breuer et al. (2019) · The MAK‐Collection for Occupational Health and Safety

Open AccessDOI ↗PDF ↗

Water-soluble 1,2,4-triazole with diethylene glycol monoethyl ether groups: synthesis, characterization and application as an electron injection layer for PLEDs.

(2014)

Cytowania: 1$ PaywallDOI ↗PubMed ↗

Diethylene Glycol Monoethyl Ether

(2007) · Hawley's Condensed Chemical Dictionary

$ PaywallDOI ↗

Diethylene Glycol Monoethyl Ether Acetate

(2007) · Hawley's Condensed Chemical Dictionary

$ PaywallDOI ↗

Tris(diethylene Glycol Monoethyl Ether) Citrate

(2007) · Hawley's Condensed Chemical Dictionary

$ PaywallDOI ↗

Investigation of (Diethylene glycol monoethyl ether)

(2017) · Chemical Effects in Biological Systems (CEBS)

$ PaywallDOI ↗

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Diethylene Glycol Monoethyl Ether

(1997) · Environmental Health Perspectives

Cytowania: 1Open AccessDOI ↗PDF ↗

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Reproductive toxicology. Diethylene glycol monoethyl ether.

(1997)

Open AccessDOI ↗PubMed ↗PDF ↗

Dane z PubMed (NIH NLM), OpenAlex (CC0), Semantic Scholar (AI2). AI Summary wygenerowane przez Semantic Scholar TLDR. Artykuły z ikoną wymagają płatnego dostępu.

Sinonimi

Diethylene glycol monoethyl ether · 111-90-0 · 2-(2-Ethoxyethoxy)ethanol · CARBITOL · Transcutol · Ethoxydiglycol · Ethyl carbitol · Dioxitol · Ethoxy diglycol · Carbitol solvent · Solvolsol · Ethyl digol · Diethylene glycol ethyl ether · Carbitol cellosolve · Ethanol, 2-(2-ethoxyethoxy)-

Fonti dei dati

📊 PubChem CID 8146 — NIH
🔬 NIST WebBook — spektroskopia
🌐 Wikidata
💊 ChEMBL — bioaktywność

Acquista nel negozio

Diethylene Glycol Monoethyl Ether →

Molecole correlate

Glycidyl methacrylate CAS 106-91-2 · C7H10O3 Tert-Butanol CAS 75-65-0 · C4H10O Ethyl Methyl Carbonate CAS 623-53-0 · C4H8O3 L-Threonine CAS 72-19-5 · C4H9NO3 Citric acid monohydrate CAS 77-92-9 · C6H8O7 Citric Acid Monohydrate CAS 5949-29-1 · C₆H₁₀O₈