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 Propylene carbonate?

Propylene carbonate is a chemical compound registered under CAS number 108-32-7. Molecular formula: C4H6O3. Molar mass: 102.09 g/mol. IUPAC: 4-methyl-1,3-dioxolan-2-one.

What is the CAS number of Propylene carbonate?

The CAS number of Propylene carbonate is 108-32-7 — a unique Chemical Abstracts Service (CAS) identifier.

What is the molecular formula of Propylene carbonate?

Molecular formula: C4H6O3. Molar mass: 102.09 g/mol. logP (XLogP3): -0.4. PSA: 35.5 Å².

What are the GHS hazards of Propylene carbonate?

Under the GHS classification, Propylene carbonate must be labelled with the following hazard statements: H319 (Causes serious eye irritation).

Where can I buy Propylene carbonate?

Propylene carbonate is available in our shop. View the product: https://epchems.online/products/propylene-carbonate/

Where does the chemical data for Propylene carbonate come from?

Chemical data for Propylene carbonate comes from authoritative sources: PubChem (NIH), ChEMBL (EBI). PubChem CID: 7924. Compliant with the CLP Regulation (EC 1272/2008), available under the CC-BY 4.0 licence.

Propylene carbonate

CAS 108-32-7 · C₄H₆O₃ · MW 102.09 g/mol

About Propylene carbonate

Propylene carbonate is a chemical compound registered under number CAS 108-32-7, with the molecular formula C₄H₆O₃, and a molar mass of 102.09 g/mol.

The molecule contains 13 atoms connected by 13 chemical bonds. The full systematic IUPAC name of this compound is 4-methyl-1,3-dioxolan-2-one. 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 = -0.4 (negative value, a hydrophilic compound), polar surface area PSA = 35.5 Å², 0 donors and 3 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	C₄H₆O₃
Masa molowa	102.09 g/mol
IUPAC	4-methyl-1,3-dioxolan-2-one
SMILES	`CC1COC(=O)O1`
InChIKey	`RUOJZAUFBMNUDX-UHFFFAOYSA-N`
logP (XLogP3)	-0.4
PSA	35.5 Å²
HBD / HBA	0 / 3
PubChem CID	CID 7924 ↗

GHS safety

Sygnał: Uwaga

GHS07

H319 — Działa drażniąco na oczy

Scientific literature

Literatura naukowa

3 artykułów · 0 open access · Źródła: PubMed, OpenAlex, Semantic Scholar

📈 Timeline publikacji (3 artykułów)

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

FTIR, FT-Raman, ab initio and density functional studies on 4-methyl-1,3-dioxolan-2-one and 4,5-dichloro-1,3-dioxolan-2-one.

et al. (2010)

Cytowania: 18$ PaywallDOI ↗PubMed ↗

Kinetics of substitution reactions of transition metal complexes in 1,3-dioxolan-2-one + water and 4-methyl-1,3-dioxolan-2-one + water solvent mixtures

Michael J. Blandamer, John Burgess, Stephen J. Hamshere et al. (1979) · Transition Metal Chemistry

Cytowania: 4$ PaywallDOI ↗

ChemInform Abstract: DIELECTRIC RELAXATION IN NON‐AQUEOUS SOLUTIONS PART 5, PROPYLENE CARBONATE (4‐METHYL‐1,3‐DIOXOLAN‐2‐ONE)

EDMUND A. S. CAVELL (1974) · Chemischer Informationsdienst

$ 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

PROPYLENE CARBONATE · 108-32-7 · 4-Methyl-1,3-dioxolan-2-one · 1,2-Propylene carbonate · 1,2-Propanediol cyclic carbonate · Arconate 5000 · Texacar PC · Cyclic propylene carbonate · 1,2-Propanediol carbonate · 1,3-Dioxolan-2-one, 4-methyl- · Propylene glycol cyclic carbonate · Dipropylene carbonate · 1-Methylethylene carbonate · 1,2-Propanediyl carbonate · Cyclic 1,2-propylene carbonate

Data sources

📊 PubChem CID 7924 — NIH
🔬 NIST WebBook — spektroskopia
🌐 Wikidata
💊 ChEMBL — bioaktywność

Buy in the shop

Propylene carbonate →

Related molecules

Diethylene glycol monohexyl ether CAS 112-59-4 · C10H22O3 Sodium Tripolyphosphate CAS 7758-29-4 · Na₅O₁₀P₃ Ethanol CAS 64-17-5 · C2H6O Acetone CAS 67-64-1 · C3H6O Dipropylene glycol dimethyl ether CAS 111109-77-4 · C8H18O3 Adipic acid CAS 124-04-9 · C6H10O4