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.

Wat is Diethylene Glycol Monoethyl Ether?

Diethylene Glycol Monoethyl Ether is een chemische verbinding, geregistreerd onder CAS-nummer 111-90-0. Brutoformule: C6H14O3. Molaire massa: 134.17 g/mol. IUPAC: 2-(2-ethoxyethoxy)ethanol.

Wat is het CAS-nummer van Diethylene Glycol Monoethyl Ether?

Het CAS-nummer van Diethylene Glycol Monoethyl Ether is 111-90-0 — een unieke identificatie van de Chemical Abstracts Service (CAS).

Wat is de brutoformule van Diethylene Glycol Monoethyl Ether?

Brutoformule: C6H14O3. Molaire massa: 134.17 g/mol. logP (XLogP3): -0.5. PSA: 38.7 Å².

Wat zijn de GHS-gevaren van Diethylene Glycol Monoethyl Ether?

Volgens de GHS-classificatie moet Diethylene Glycol Monoethyl Ether worden voorzien van de volgende gevarenaanduidingen: H227 (Substancja ciekła palna), H320 (Veroorzaakt oogirritatie.), H372 (Veroorzaakt schade aan organen bij langdurige of herhaalde blootstelling.).

Waar kan ik Diethylene Glycol Monoethyl Ether kopen?

Diethylene Glycol Monoethyl Ether is verkrijgbaar in onze winkel. Bekijk het product: https://epchems.online/products/diethylene-glycol-monoethyl-ether/

Waar komen de chemische gegevens voor Diethylene Glycol Monoethyl Ether vandaan?

De chemische gegevens voor Diethylene Glycol Monoethyl Ether zijn afkomstig van gezaghebbende bronnen: PubChem (NIH), ChEMBL (EBI). PubChem CID: 8146. Conform de CLP-verordening (EG 1272/2008), beschikbaar onder de CC-BY 4.0-licentie.

Diethylene Glycol Monoethyl Ether

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

Over Diethylene Glycol Monoethyl Ether

Diethylene Glycol Monoethyl Ether is een chemische verbinding, geregistreerd onder nummer CAS 111-90-0, met de brutoformule C₆H₁₄O₃, en een molaire massa van 134.17 g/mol.

Het molecuul bevat 23 atomen verbonden door 22 chemische bindingen. De volledige systematische IUPAC-naam van deze verbinding is 2-(2-ethoxyethoxy)ethanol. Het interactieve 3D-model hierboven toont de ruimtelijke rangschikking van de atomen — u kunt het met de muis draaien, met het scrollwiel inzoomen en schakelen tussen de weergavemodi skelet / Ball & Stick / Space Fill.

Wat de fysisch-chemische eigenschappen betreft, de verdelingscoëfficiënt logP = -0.5 (negatieve waarde, hydrofiele verbinding), polair oppervlak PSA = 38.7 Å², 1 donoren en 3 waterstofbrugacceptoren. Deze parameters zijn cruciaal bij de beoordeling van de biobeschikbaarheid en de interactie met biomoleculen.

De chemische gegevens voor deze verbinding zijn afkomstig van PubChem (NIH NLM NCBI), een van de grootste chemische databanken ter wereld. Alle informatie wordt automatisch bijgewerkt en verrijkt met vertalingen van GHS-gevarenaanduidingen conform de CLP-verordening (EG 1272/2008). De bovenstaande widget mag worden gebruikt voor educatieve, onderzoeks- en commerciële doeleinden.

Fysisch-chemische eigenschappen

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 ↗

GHS-veiligheid

Sygnał: Niebezpieczeństwo

GHS08

H227 — Substancja ciekła palna

H320 — H320

H372 — Powoduje uszkodzenie narządów poprzez długotrwałe lub powtarzane narażenie

Wetenschappelijke literatuur

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.

Synoniemen

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)-

Gegevensbronnen

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

Kopen in de winkel

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