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.

Qu'est-ce que Ethylene Carbonate ?

Ethylene Carbonate est un composé chimique enregistré sous le numéro CAS 96-49-1. Formule brute: C3H4O3. Masse molaire: 88.06 g/mol. IUPAC: 1,3-dioxolan-2-one.

Quel est le numéro CAS de Ethylene Carbonate ?

Le numéro CAS de Ethylene Carbonate est 96-49-1 — un identifiant unique du Chemical Abstracts Service (CAS).

Quelle est la formule brute de Ethylene Carbonate ?

Formule brute: C3H4O3. Masse molaire: 88.06 g/mol. logP (XLogP3): 0.3. PSA: 35.5 Å².

Où acheter Ethylene Carbonate ?

Ethylene Carbonate est disponible dans notre boutique. Voir le produit : https://epchems.online/products/ethylene-carbonate/

D'où proviennent les données chimiques de Ethylene Carbonate ?

Les données chimiques de Ethylene Carbonate proviennent de sources faisant autorité : PubChem (NIH), ChEMBL (EBI). PubChem CID: 7303. Conformes au règlement CLP (CE 1272/2008), disponibles sous licence CC-BY 4.0.

Ethylene Carbonate

CAS 96-49-1 · C₃H₄O₃ · MW 88.06 g/mol

À propos de Ethylene Carbonate

Ethylene Carbonate est un composé chimique enregistré sous le numéro CAS 96-49-1, de formule brute C₃H₄O₃, et de masse molaire 88.06 g/mol.

La molécule contient 10 atomes reliés par 10 liaisons chimiques. Le nom systématique IUPAC complet de ce composé est 1,3-dioxolan-2-one. Le modèle 3D interactif ci-dessus permet de visualiser l'arrangement spatial des atomes — vous pouvez le faire pivoter à la souris, zoomer avec la molette et basculer entre les modes de visualisation squelette / Ball & Stick / Space Fill.

Du point de vue des propriétés physico-chimiques, le coefficient de partage logP = 0.3 (valeur positive, composé lipophile), surface polaire PSA = 35.5 Å², 0 donneurs et 3 accepteurs de liaisons hydrogène. Ces paramètres sont essentiels pour évaluer la biodisponibilité et l'interaction avec les biomolécules.

Les données chimiques de ce composé proviennent de PubChem (NIH NLM NCBI), l'une des plus grandes bases de données chimiques au monde. Toutes les informations sont mises à jour automatiquement et enrichies de traductions des mentions de danger GHS conformes au règlement CLP (CE 1272/2008). Le widget ci-dessus peut être utilisé à des fins éducatives, de recherche et commerciales.

Propriétés physico-chimiques

Wzór sumaryczny	C₃H₄O₃
Masa molowa	88.06 g/mol
IUPAC	1,3-dioxolan-2-one
SMILES	`C1COC(=O)O1`
InChIKey	`KMTRUDSVKNLOMY-UHFFFAOYSA-N`
logP (XLogP3)	0.3
PSA	35.5 Å²
HBD / HBA	0 / 3
PubChem CID	CID 7303 ↗

Sécurité GHS

Sygnał: Uwaga

GHS07

GHS08

Littérature scientifique

Literatura naukowa

18 artykułów · 9 open access · Źródła: PubMed, OpenAlex, Semantic Scholar

📈 Timeline publikacji (18 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 ↗

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Aqua-tri-fluorido-boron-1,3-dioxolan-2-one (1/2).

Radan K, Forero-Saboya J, Ponrouch A et al. (2023) · IUCrData

Cytowania: 2Open AccessDOI ↗PubMed ↗PDF ↗

Synthesis of primary amines by the electrophilic amination of Grignard reagents with 1,3-dioxolan-2-one O-sulfonyloxime.

et al. (2004)

Cytowania: 22$ PaywallDOI ↗PubMed ↗

Synthesis of Benzoisochromene Derivatives via C-H Activation-Initiated Cascade Formal [4+2] and [2+4] Annulation of Aryl Enaminone with Vinyl-1,3-dioxolan-2-one.

et al. (2025)

Cytowania: 17$ PaywallDOI ↗PubMed ↗

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Aqua-tri-fluorido-boron-1,3-dioxolan-2-one (1/2).

et al. (2023)

Open AccessDOI ↗PubMed ↗PDF ↗

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4-{[(1-Phenyl-1H-pyrazol-3-yl)oxy]methyl}-1,3-dioxolan-2-one

Algirdas Šačkus, Gytė Vilkauskaitė, Wolfgang Holzer (2012) · Molbank

Cytowania: 2Open AccessDOI ↗PDF ↗

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Crystal structure of (-)-(S)-4-[(2S,3S,4S,Z)-3-hydroxy-4-methyl-hept-5-en-2-yl]-1,3-dioxolan-2-one.

(2017)

Open AccessDOI ↗PubMed ↗PDF ↗

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SYNTHESIS OF 4-BENZYLOXYMETHYL-1,3-DIOXOLAN-2-ONE AND ITS POLYMERS

Wei HE, Huaizhong PAN, Xianli CHEN et al. (2006) · Acta Polymerica Sinica

Open AccessDOI ↗PDF ↗

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2-Methoxy-4-[5-(2-oxo-1,3-dioxolan-4-yl)-4,5-dihydroisoxazol-3-yl]phenyl 4-n-decyloxybenzoate

Itamar Luís Gonçalves, Aloir Antonio Merlo, Bruna Thatise Batistel et al. (2026) · Molbank

Open AccessDOI ↗PDF ↗

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Crystal structure of (−)-(S)-4-[(2S,3S,4S,Z)-3-hydroxy-4-methylhept-5-en-2-yl]-1,3-dioxolan-2-one

Keyla F. Morales-Rivera, Dalice M. Piñero Cruz, Jose A. Prieto (2017) · Acta Crystallographica Section E: Crystallographic Communications

Open AccessDOI ↗PDF ↗

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 ↗

Viscosity of 1,3-dioxolan-2-one

Ch. Wohlfarth (2008) · Landolt-Börnstein - Group IV Physical Chemistry

$ PaywallDOI ↗

Synthesis of Benzoisochromene Derivatives via CH Activation-Initiated Cascade Formal [4+2] and [2+4] Annulation of Aryl Enaminone with Vinyl-1,3-dioxolan-2-one

$ PaywallDOI ↗

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Explicit and Hybrid Solvent Models for Estimates of Parameters Relevant to the Reduction Potential of Ethylene Carbonate.

Eilmes A, Kubisiak P, Wróbel P (2022) · International journal of molecular sciences

Open AccessDOI ↗PubMed ↗PDF ↗

On the use of ethylene carbonate as a green solvent in mobile phases.

Berthod A, Armstrong DW (2025) · Journal of chromatography. A

$ PaywallDOI ↗PubMed ↗

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Determination of synthesis route of 1-(3,4-methylenedioxyphenyl)-2-propanone (MDP-2-P) based on impurity profiles of MDMA.

Swist M, Wilamowski J, Zuba D et al. (2005) · Forensic science international

Open AccessDOI ↗PubMed ↗PDF ↗

Aggregation induced spectral splitting and Fermi resonance of Ethylene Carbonate in binary mixture.

Wang Z, Yu K, Zhao Y et al. (2022) · Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy

$ PaywallDOI ↗PubMed ↗

Synthesis of Degradable Homopolymer, Gradient and Block Copolymers, and Self-Assembly via RAFT Polymerization of 4,4-Dimethyl-2-methylene-1,3-dioxolan-5-one

$ PaywallDOI ↗

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

Synonymes

Ethylene carbonate · 1,3-DIOXOLAN-2-ONE · 96-49-1 · Glycol carbonate · Ethylene glycol carbonate · Dioxolone-2 · Cyclic ethylene carbonate · Ethylene carbonic acid · Carbonic acid, cyclic ethylene ester · Ethylene glycol, cyclic carbonate · Ethylenester kyseliny uhlicite · RGJ96TB7R7 · JEFFSOL EC · NSC-11801 · DTXCID806600

Sources des données

📊 PubChem CID 7303 — NIH
🔬 NIST WebBook — spektroskopia
💊 ChEMBL — bioaktywność

Acheter en boutique

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Molécules apparentées

Trichloroethylene CAS 79-01-6 · C2HCl3 Citric Acid Monohydrate CAS 5949-29-1 · C₆H₁₀O₈ N-Methyl-2-pyrrolidone CAS 872-50-4 · C5H9NO Triethylene glycol CAS 112-27-6 · C6H14O4 L-Aspartic acid CAS 56-84-8 · C4H7NO4 Cyclohexanol CAS 108-93-0 · C6H12O