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.

What is Butyl glycol?

Butyl glycol is a chemical compound registered under CAS number 111-76-2. Molecular formula: C6H14O2. Molar mass: 118.17 g/mol. IUPAC: 2-butoxyethanol.

What is the CAS number of Butyl glycol?

The CAS number of Butyl glycol is 111-76-2 — a unique Chemical Abstracts Service (CAS) identifier.

What is the molecular formula of Butyl glycol?

Molecular formula: C6H14O2. Molar mass: 118.17 g/mol. logP (XLogP3): 0.8. PSA: 29.5 Å².

What are the GHS hazards of Butyl glycol?

Under the GHS classification, Butyl glycol must be labelled with the following hazard statements: H331 (Toxic if inhaled), H302 (Harmful if swallowed), H315 (Causes skin irritation), H319 (Causes serious eye irritation).

Where can I buy Butyl glycol?

Butyl glycol is available in our shop. View the product: https://epchems.online/products/butyl-glycol/

Where does the chemical data for Butyl glycol come from?

Chemical data for Butyl glycol comes from authoritative sources: PubChem (NIH). PubChem CID: 8133. Compliant with the CLP Regulation (EC 1272/2008), available under the CC-BY 4.0 licence.

Butyl glycol

2-Butoxyethanol

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

About Butyl glycol

Butyl glycol is a chemical compound registered under number CAS 111-76-2, with the molecular formula C₆H₁₄O₂, and a molar mass of 118.17 g/mol.

The molecule contains 22 atoms connected by 21 chemical bonds. The full systematic IUPAC name of this compound is 2-butoxyethanol. The interactive 3D model above lets you view the spatial arrangement of the atoms — you can rotate it with the mouse, zoom with the scroll wheel, and switch between skeletal / Ball & Stick / Space Fill visualization modes.

In terms of physicochemical properties, the partition coefficient logP = 0.8 (positive value, a lipophilic compound), polar surface area PSA = 29.5 Å², 1 donors and 2 hydrogen bond acceptors. These parameters are key when assessing bioavailability and interaction with biomolecules.

Chemical data for this compound comes from PubChem (NIH NLM NCBI), one of the world's largest chemical databases. All information is updated automatically and enriched with GHS hazard statement translations compliant with the CLP Regulation (EC 1272/2008). The widget above may be used for educational, research and commercial purposes.

Physicochemical properties

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 safety

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

Scientific literature

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.

Synonyms

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

Data sources

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

Buy in the shop

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