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.

什么是Diethylene Glycol Monoethyl Ether？

Diethylene Glycol Monoethyl Ether 是一种化学品，CAS 登记号为 111-90-0。分子式: C6H14O3. 摩尔质量: 134.17 g/mol. IUPAC: 2-(2-ethoxyethoxy)ethanol.

Diethylene Glycol Monoethyl Ether 的 CAS 号是多少？

Diethylene Glycol Monoethyl Ether 的 CAS 号为 111-90-0——化学文摘社 (CAS) 的唯一标识符。

Diethylene Glycol Monoethyl Ether 的分子式是什么？

分子式: C6H14O3. 摩尔质量: 134.17 g/mol. logP (XLogP3): -0.5. PSA: 38.7 Å².

Diethylene Glycol Monoethyl Ether 有哪些 GHS 危害？

根据 GHS 分类，Diethylene Glycol Monoethyl Ether 须标注以下危险说明： H227 (可燃液体), H320 (造成眼刺激), H372 (长期或反复接触会对器官造成伤害(说明已知的所有受影响器官)( 说明接触途径――如已确证无其他接触途径造成这一危害)).

在哪里可以购买Diethylene Glycol Monoethyl Ether？

Diethylene Glycol Monoethyl Ether 在我们的商店有售。查看产品：https://epchems.online/products/diethylene-glycol-monoethyl-ether/

Diethylene Glycol Monoethyl Ether 的化学数据来自哪里？

Diethylene Glycol Monoethyl Ether 的化学数据来自权威来源：PubChem (NIH), ChEMBL (EBI)。 PubChem CID: 8146. 符合 CLP 法规（EC 1272/2008），依据 CC-BY 4.0 许可提供。

Diethylene Glycol Monoethyl Ether

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

关于 Diethylene Glycol Monoethyl Ether

Diethylene Glycol Monoethyl Ether 是一种化学品，登记号为 CAS 111-90-0，分子式为 C₆H₁₄O₃，摩尔质量为 134.17 g/mol。

该分子包含 23 个原子，通过 22 个化学键连接。该化合物的完整系统 IUPAC 名称为 2-(2-ethoxyethoxy)ethanol。上方的交互式 3D 模型可查看原子的空间排列——您可以用鼠标旋转、用滚轮缩放，并在骨架 / 球棍 (Ball & Stick) / 空间填充 (Space Fill) 显示模式之间切换。

在理化性质方面，分配系数 logP = -0.5 (负值，亲水性化合物)，极性表面积 PSA = 38.7 Å²，1 个氢键供体和 3 个氢键受体。这些参数对于评估生物利用度以及与生物分子的相互作用至关重要。

该化合物的化学数据来自 PubChem（NIH NLM NCBI），全球最大的化学数据库之一。所有信息均自动更新，并附有符合 CLP 法规（EC 1272/2008）的 GHS 危险说明翻译。上方的小部件可用于教育、研究和商业用途。

理化性质

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 安全

Sygnał: Niebezpieczeństwo

GHS08

H227 — Substancja ciekła palna

H320 — H320

H372 — Powoduje uszkodzenie narządów poprzez długotrwałe lub powtarzane narażenie

科学文献

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.

同义词

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)-

数据来源

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

在商店购买

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