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 Propyl Acetate?

Propyl Acetate is a chemical compound registered under CAS number 109-60-4. Molecular formula: C5H10O2. Molar mass: 102.13 g/mol. IUPAC: propyl acetate.

What is the CAS number of Propyl Acetate?

The CAS number of Propyl Acetate is 109-60-4 — a unique Chemical Abstracts Service (CAS) identifier.

What is the molecular formula of Propyl Acetate?

Molecular formula: C5H10O2. Molar mass: 102.13 g/mol. logP (XLogP3): 1.2. PSA: 26.3 Å².

What are the GHS hazards of Propyl Acetate?

Under the GHS classification, Propyl Acetate must be labelled with the following hazard statements: H225 (Highly flammable liquid and vapour), H336 (May cause drowsiness or dizziness), H319 (Causes serious eye irritation), EUH066 (Repeated exposure may cause skin dryness or cracking.).

Where can I buy Propyl Acetate?

Propyl Acetate is available in our shop. View the product: https://epchems.online/products/propyl-acetate/

Where does the chemical data for Propyl Acetate come from?

Chemical data for Propyl Acetate comes from authoritative sources: PubChem (NIH). PubChem CID: 7997. Compliant with the CLP Regulation (EC 1272/2008), available under the CC-BY 4.0 licence.

Propyl Acetate

CAS 109-60-4 · C₅H₁₀O₂ · MW 102.13 g/mol

About Propyl Acetate

Propyl Acetate is a chemical compound registered under number CAS 109-60-4, with the molecular formula C₅H₁₀O₂, and a molar mass of 102.13 g/mol.

The molecule contains 17 atoms connected by 16 chemical bonds. The full systematic IUPAC name of this compound is propyl acetate. 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 = 1.2 (positive value, a lipophilic compound), polar surface area PSA = 26.3 Å², 0 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	C₅H₁₀O₂
Masa molowa	102.13 g/mol
IUPAC	propyl acetate
SMILES	`CCCOC(=O)C`
InChIKey	`YKYONYBAUNKHLG-UHFFFAOYSA-N`
logP (XLogP3)	1.2
PSA	26.3 Å²
HBD / HBA	0 / 2
PubChem CID	CID 7997 ↗

GHS safety

Sygnał: Niebezpieczeństwo

GHS02

GHS07

H225 — Wysoce łatwopalna ciecz i pary

H336 — Może wywoływać uczucie senności lub zawroty głowy

H319 — Działa drażniąco na oczy

EUH066 — Powtarzające się narażenie może powodować wysuszanie lub pękanie skóry

Scientific literature

Literatura naukowa

20 artykułów · 5 open access · Źródła: PubMed, OpenAlex, Semantic Scholar

📈 Timeline publikacji (20 artykułów)

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

RIFM fragrance ingredient safety assessment, propyl acetate, CAS Registry Number 109-60-4.

Api AM, Belsito D, Botelho D et al. (2022) · Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association

$ PaywallDOI ↗PubMed ↗

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Propyl acetate/butyronitrile mixture is ideally suited for investigating the effect of dielectric stabilization on (photo)chemical reactions.

(2020)

Cytowania: 3Open AccessDOI ↗PubMed ↗PDF ↗

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Interfacial polarization enables dual pathways for electrosynthesis of propyl acetate.

et al. (2026)

Open AccessDOI ↗PubMed ↗PDF ↗

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Thermophysical and spectroscopic study of molecular interactions in 1-butyl-3-methylimidazolium tetrafluoroborate + propyl acetate system at ambient temperatures: Experimental and theoretical approach

M. Durga Bhavani, T.S. Krishna, A. Hernandez et al. (2025) · Chemical Thermodynamics and Thermal Analysis

Open AccessDOI ↗PDF ↗

Isobaric Vapor–Liquid-Equilibrium Data Measurement of Toluene with Ethyl Acetate, <i>n</i>-Propyl Acetate, Iso-propyl Acetate, Iso-butyl Acetate, and Iso-amyl Acetate: Experiments and Modeling

Dipak S. Sutar, Nilesh A. Mali, Pravin D. Ghuge (2025) · Journal of Chemical & Engineering Data

Cytowania: 4$ PaywallDOI ↗

Vapor−Liquid Equilibrium of Binary Mixtures Containing Methanol + Propyl Acetate, Methanol + Isopropyl Acetate, Vinyl Acetate + Propyl Acetate, and Vinyl Acetate + Isopropyl Acetate at 101.3 kPa

José M. Resa, Cristina González, Salomé Ortiz de Landaluce et al. (2001) · Journal of Chemical & Engineering Data

Cytowania: 27$ PaywallDOI ↗

Isobaric Vapor–Liquid Equilibria of Binary Systems (Propyl Acetate + 2-Methylbutan-1-ol), (Propyl Acetate + Hexan-1-ol), and (Propyl Acetate + Heptan-1-ol) at 101.3 kPa

Ye Qi, Yulong Liu, Jingwei Xie et al. (2014) · Journal of Chemical & Engineering Data

Cytowania: 4$ PaywallDOI ↗

Isobaric Vapor–Liquid Equilibria of Binary Systems (Propyl Acetate + <i>n</i>-Pentanol), (Propyl Acetate + 1-Methyl-1-butanol), and (Propyl Acetate + 3-Methyl-1-butanol) at 101.3 kPa

Jinli Zhang, Yulong Liu, Nan Meng et al. (2013) · Journal of Chemical & Engineering Data

Cytowania: 3$ PaywallDOI ↗

Propyl acetate protects intestinal barrier during parenteral nutrition in mice and Caco-2 cells.

Wang J, Du J, Gou X et al. (2024) · JPEN. Journal of parenteral and enteral nutrition

$ PaywallDOI ↗PubMed ↗

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Application of gas chromatography internal standard correction factor method in the determination of ethyl acetate content

ZHANG Yuehua, LI Sijing, WANG Ying, HUANG Weiyi, CHEN Qing, YANG Juan (2025) · Zhongguo niangzao

Open AccessDOI ↗PDF ↗

Prevention of the adrenocorticolytic actions of 7,12-dimethylbenz[a]anthracene and 7-hydroxymethyl-12-methylbenz[a]anthracene by beta-diethylaminoethyldiphenyl-n-propyl acetate (SKF 525-A).

(1968)

Cytowania: 5$ PaywallPubMed ↗

PROPYL ACETATE

(2007) · Groundwater Chemicals Desk Reference

$ PaywallDOI ↗

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Protection from the embryopathic effects of 7-hydroxymethyl-12-methylbenz(a)anthracene by 2-methyl-1,2-bis-(3-pyridyl)1-propanone(metopirone, Ciba) and beta-diethylaminoethyldiphenyl-n-propyl acetate (SKF 525-A).

et al. (1970)

Cytowania: 1Open AccessDOI ↗PubMed ↗PDF ↗

Vapor-phase analysis of isobutyl acetate, isopropyl acetate, n-propyl acetate and their respective alcohols using solid-phase microextraction-gas chromatography with a mass selective detector.

et al. (2005)

Cytowania: 2$ PaywallDOI ↗PubMed ↗

[Gas chromatographic determination of propyl acetate in air].

(1981)

$ PaywallPubMed ↗

EFFECT OF BETA-DIETHYLAMINOETHYL DIPHENYL-N-PROPYL ACETATE (SKF 525-A) ON THE PLASMA CONCENTRATION OF C14-LABELED NEUROMUSCULAR BLOCKERS.

(1964)

$ PaywallDOI ↗PubMed ↗

Propyl Acetate

$ PaywallDOI ↗

Isobaric VaporLiquid-Equilibrium Data Measurement of Toluene with Ethyl Acetate, nPropyl Acetate Iso-propyl Acetate, Iso-butyl Acetate, and Iso-amyl Acetate: Experiments and Modeling

$ PaywallDOI ↗

Specification for n-Propyl Acetate (96 % Grade)

$ PaywallDOI ↗

Specification for n-Propyl Acetate (96% Grade)

$ PaywallDOI ↗

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

Synonyms

Propyl acetate · 109-60-4 · N-PROPYL ACETATE · Acetic acid, propyl ester · Propyl ethanoate · 1-Acetoxypropane · 1-Propyl acetate · Octan propylu · Acetic acid n-propyl ester · Propylacetate · Acetate de propyle normal · FEMA No. 2925 · Propylester kyseliny octove · 4AWM8C91G6 · NSC-72025

Data sources

📊 PubChem CID 7997 — NIH
🔬 NIST WebBook — spektroskopia
🌐 Wikidata
💊 ChEMBL — bioaktywność

Buy in the shop

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Related molecules

Butyl acetate (BTAC) CAS 123-86-4 · C6H12O2 L-Threonine CAS 72-19-5 · C4H9NO3 Triisobutyl Phosphate CAS 126-71-6 · C12H27O4P Dipropylene glycol monomethyl ether CAS 34590-94-8 · C7H16O3 Sodium Glutamate CAS 142-47-2 · C5H10NNaO5 Butyl glycol CAS 111-76-2 · C6H14O2