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Butyl glycol？

Butyl glycol 是一种化学品，CAS 登记号为 111-76-2。分子式: C6H14O2. 摩尔质量: 118.17 g/mol. IUPAC: 2-butoxyethanol.

Butyl glycol 的 CAS 号是多少？

Butyl glycol 的 CAS 号为 111-76-2——化学文摘社 (CAS) 的唯一标识符。

Butyl glycol 的分子式是什么？

分子式: C6H14O2. 摩尔质量: 118.17 g/mol. logP (XLogP3): 0.8. PSA: 29.5 Å².

Butyl glycol 有哪些 GHS 危害？

根据 GHS 分类，Butyl glycol 须标注以下危险说明： H331 (吸入可中毒), H302 (吞咽有害), H315 (造成皮肤刺激), H319 (造成严重眼刺激).

在哪里可以购买Butyl glycol？

Butyl glycol 在我们的商店有售。查看产品：https://epchems.online/products/butyl-glycol/

Butyl glycol 的化学数据来自哪里？

Butyl glycol 的化学数据来自权威来源：PubChem (NIH)。 PubChem CID: 8133. 符合 CLP 法规（EC 1272/2008），依据 CC-BY 4.0 许可提供。

Butyl glycol

2-Butoxyethanol

CAS 111-76-2 · C₆H₁₄O₂ · MW 118.17 g/mol

关于 Butyl glycol

Butyl glycol 是一种化学品，登记号为 CAS 111-76-2，分子式为 C₆H₁₄O₂，摩尔质量为 118.17 g/mol。

该分子包含 22 个原子，通过 21 个化学键连接。该化合物的完整系统 IUPAC 名称为 2-butoxyethanol。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 = 0.8 (正值，亲脂性化合物)，极性表面积 PSA = 29.5 Å²，1 个氢键供体和 2 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	C₆H₁₄O₂
Masa molowa	118.17 g/mol
IUPAC	2-butoxyethanol
SMILES	`CCCCOCCO`
InChIKey	`POAOYUHQDCAZBD-UHFFFAOYSA-N`
logP (XLogP3)	0.8
PSA	29.5 Å²
HBD / HBA	1 / 2
PubChem CID	CID 8133 ↗

GHS 安全

Sygnał: Niebezpieczeństwo

GHS06

GHS07

H331 — Działa toksycznie w następstwie wdychania

H302 — Działa szkodliwie po połknięciu

H315 — Działa drażniąco na skórę

H319 — Działa drażniąco na oczy

科学文献

Literatura naukowa

20 artykułów · 10 open access · Źródła: PubMed, OpenAlex, Semantic Scholar

📈 Timeline publikacji (20 artykułów)

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

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2-Butoxyethanol

Andrea Hartwig (2026) · MAK Collection for Occupational Health and Safety

AI Summary
The German Senate Commission for the Investigation of Health Hazards of Chemical Compounds in the Work Area (MAK Commission) re-evaluated the assignment of 2-butoxyethanol to Pregnancy Risk Group C and it is confirmed that the assignment to Pregnancy Risk Group C has been confirmed.

Cytowania: 3Open AccessDOI ↗PubMed ↗PDF ↗

NTP Toxicology and Carcinogenesis Studies 2-Butoxyethanol (CAS NO. 111-76-2) in F344/N Rats and B6C3F1 Mice (Inhalation Studies).

(2000)

Cytowania: 11$ PaywallPubMed ↗

NTP technical report on the toxicity studies of Ethylene Glycol Ethers: 2-Methoxyethanol, 2-Ethoxyethanol, 2-Butoxyethanol (CAS Nos. 109-86-4, 110-80-5, 111-76-2) Administered in Drinking Water to F344/N Rats and B6C3F1 Mice.

M. Dieter (1993) · Toxicity report series

AI Summary
Most of the changes in organ weights for rats and mice treated with the glycol ethers were sporadic (mice) or related to low final mean body weights (rats), except for thymic atrophy in male and female rats and testicularatrophy in males of both species receiving 2-methoxyethanol or 2-butoxy ethanol.

Cytowania: 23$ PaywallPubMed ↗

NTP Toxicology and Carcinogenesis Studies 2-Butoxyethanol (CAS NO. 111-76-2) in F344/N Rats and B6C3F1 Mice (Inhalation Studies).

(2000) · National Toxicology Program technical report series

AI Summary
The primary effect on the hematopoietic system was an anemia characterized as macrocytic, normochromic, and regenerative in males exposed to 125 ppm or greater and, to a greater extent, in all exposed groups of females.

Cytowania: 19$ PaywallPubMed ↗

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The role of hypoxia in 2-butoxyethanol-induced hemangiosarcoma.

et al. (2010)

Cytowania: 28Open AccessDOI ↗PubMed ↗PDF ↗

2-Butoxyethanol – A Common Air Pollutant

Chemical Insights Research Institute (20410063) (2022)

$ PaywallDOI ↗

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Removal of 2-butoxyethanol gaseous emissions by biotrickling filtration packed with polyurethane foam.

et al. (2016)

Cytowania: 15Open AccessDOI ↗PubMed ↗PDF ↗

Explaining skin permeation of 2-butoxyethanol from neat and aqueous solutions.

(2012)

Cytowania: 24$ PaywallDOI ↗PubMed ↗

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Investigation of solute-solvent interactions between 2-butoxyethanol and substituted ketones by volumetric, acoustic and FTIR studies at T=(303.15–318.15) K

R. Gerald Arokiaraj, S. Ravikumar, R. Raju et al. (2022) · Chemical Thermodynamics and Thermal Analysis

Cytowania: 7Open AccessDOI ↗PDF ↗

Excess partial molar enthalpies of 2-butoxyethanol and water in 2-butoxyethanol–water mixtures

William Siu, Yoshikata Koga (1989) · Canadian Journal of Chemistry

Cytowania: 52$ PaywallDOI ↗

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Volumetric Properties of Binary Mixtures of 2-Ethoxyethanol and 2-Butoxyethanol with 1,4-Dioxane

Mohammad Mafizur Rahman, Md. Ariful Islam, Faisal I Chowdhury et al. (2023) · Journal of Applied Science & Process Engineering

Cytowania: 4Open AccessDOI ↗PDF ↗

Physiologically based pharmacokinetics of 2-butoxyethanol and its major metabolite, 2-butoxyacetic acid, in rats and humans.

R. Corley, G. A. Bormett, B. Ghanayem (1994) · Toxicology and Applied Pharmacology

Cytowania: 87Influential: 2$ PaywallDOI ↗PubMed ↗

Potential hazards of typical small molecular organic matters in shale gas wastewater for wheat irrigation: 2-butoxyethanol and dimethylbenzylamine.

et al. (2024)

Cytowania: 3$ PaywallDOI ↗PubMed ↗

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The effects of 2-methoxyethanol and 2-ethoxyethanol on hematological changes induced by 2-butoxyethanol

Katarzyna Miranowicz-Dzierżawska, Miranowicz-Dzierżawska, Katarzyna, Starek, Andrzej et al. (2015) · Nofer Institute of Occupational Medicine

Cytowania: 2Open AccessDOI ↗PDF ↗

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Synthesis of 2-butoxyethanol using novel mixed metal oxide catalysts

(2025)

Open AccessDOI ↗PDF ↗

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Permeation of 2-Butoxyethanol Through Multiple Layers of a Disposable Nitrile Glove and a Single Layer of Microflex 93-260

(2025)

Open AccessDOI ↗PDF ↗

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Permeation of 2-Butoxyethanol Through Multiple Layers of a Disposable Nitrile Glove Material and a Single Layer of Microflex 93-260.

(2025)

Open AccessDOI ↗PubMed ↗PDF ↗

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Studies on the transport behavior of sodium nitrate (NaNO 3 ) and ammonium nitrate (NH 4 NO 3 ) in aqueous binary mixture of 2-Butoxyethanol using electrical conductivity at 298.15, 303.15, 308.15, and 313.15 K

(2024)

Open AccessDOI ↗PDF ↗

Biological monitoring of low-level 2-butoxyethanol exposure in decal transfer workers in bicycle manufacturing factories.

et al. (2011)

Cytowania: 3$ PaywallDOI ↗PubMed ↗

Kupffer cells participate in 2-butoxyethanol-induced liver hemangiosarcomas.

(2010)

Cytowania: 3$ PaywallDOI ↗PubMed ↗

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

2-Butoxyethanol · 111-76-2 · Butyl glycol · Butyl cellosolve · Butoxyethanol · ETHYLENE GLYCOL MONOBUTYL ETHER · Ethylene glycol butyl ether · n-Butoxyethanol · Butyl oxitol · Dowanol EB · Glycol butyl ether · Ethanol, 2-butoxy- · 3-Oxa-1-heptanol · Gafcol EB · Jeffersol eb

数据来源

📊 PubChem CID 8133 — NIH
🔬 NIST WebBook — spektroskopia
🌐 Wikidata
💊 ChEMBL — bioaktywność

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