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.

Che cos'è Dimethyl carbonate?

Dimethyl carbonate è un composto chimico registrato con il numero CAS 616-38-6. Formula bruta: C3H6O3. Massa molare: 90.08 g/mol. IUPAC: dimethyl carbonate.

Qual è il numero CAS di Dimethyl carbonate?

Il numero CAS di Dimethyl carbonate è 616-38-6 — un identificativo univoco del Chemical Abstracts Service (CAS).

Qual è la formula bruta di Dimethyl carbonate?

Formula bruta: C3H6O3. Massa molare: 90.08 g/mol. logP (XLogP3): 0.5. PSA: 35.5 Å².

Quali sono i pericoli GHS di Dimethyl carbonate?

Secondo la classificazione GHS, Dimethyl carbonate deve riportare le seguenti indicazioni di pericolo: H225 (Liquido e vapori facilmente infiammabili.).

Dove acquistare Dimethyl carbonate?

Dimethyl carbonate è disponibile nel nostro negozio. Vedi il prodotto: https://epchems.online/products/dimethyl-carbonate/

Da dove provengono i dati chimici di Dimethyl carbonate?

I dati chimici di Dimethyl carbonate provengono da fonti autorevoli: PubChem (NIH), ChEMBL (EBI). PubChem CID: 12021. Conformi al Regolamento CLP (CE 1272/2008), disponibili con licenza CC-BY 4.0.

Dimethyl carbonate

CAS 616-38-6 · C₃H₆O₃ · MW 90.08 g/mol

Informazioni su Dimethyl carbonate

Dimethyl carbonate è un composto chimico registrato con il numero CAS 616-38-6, con formula bruta C₃H₆O₃, e massa molare di 90.08 g/mol.

La molecola contiene 12 atomi collegati da 11 legami chimici. Il nome sistematico IUPAC completo di questo composto è dimethyl carbonate. Il modello 3D interattivo qui sopra permette di visualizzare la disposizione spaziale degli atomi — puoi ruotarlo con il mouse, zoomare con la rotellina e passare tra le modalità di visualizzazione scheletro / Ball & Stick / Space Fill.

Dal punto di vista delle proprietà chimico-fisiche, il coefficiente di ripartizione logP = 0.5 (valore positivo, composto lipofilo), superficie polare PSA = 35.5 Å², 0 donatori e 3 accettori di legami a idrogeno. Questi parametri sono fondamentali per valutare la biodisponibilità e l'interazione con le biomolecole.

I dati chimici di questo composto provengono da PubChem (NIH NLM NCBI), uno dei più grandi database chimici al mondo. Tutte le informazioni sono aggiornate automaticamente e arricchite con le traduzioni delle indicazioni di pericolo GHS conformi al Regolamento CLP (CE 1272/2008). Il widget qui sopra può essere utilizzato per scopi educativi, di ricerca e commerciali.

Proprietà chimico-fisiche

Wzór sumaryczny	C₃H₆O₃
Masa molowa	90.08 g/mol
IUPAC	dimethyl carbonate
SMILES	`COC(=O)OC`
InChIKey	`IEJIGPNLZYLLBP-UHFFFAOYSA-N`
logP (XLogP3)	0.5
PSA	35.5 Å²
HBD / HBA	0 / 3
PubChem CID	CID 12021 ↗

Sicurezza GHS

Sygnał: Niebezpieczeństwo

GHS02

H225 — Wysoce łatwopalna ciecz i pary

Letteratura scientifica

Literatura naukowa

20 artykułów · 15 open access · Źródła: PubMed, OpenAlex, Semantic Scholar

📈 Timeline publikacji (20 artykułów)

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

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Greener and Whiter Analytical Procedure for Theobromine and Caffeine Determination in Tea Using Dimethyl Carbonate as an Extraction Solvent and Mobile Phase Constituent in Reversed-Phase Liquid Chromatography.

(2025)

Cytowania: 6Open AccessDOI ↗PubMed ↗PDF ↗

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Spatially proximate In5 and In4+1···In4 on In2O3 enable efficient dimethyl carbonate synthesis from CO2 below 100 oC

You Wang, Jiyun Ren, Qing Guo et al. (2025) · Nano Research

Cytowania: 4Open AccessDOI ↗PDF ↗

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TiO2‑Doped CeO2 Nanorod Catalyst for Direct Conversion of CO2 and CH3OH to Dimethyl Carbonate: Catalytic Performance and Kinetic Study

Zhongwei Fu, Yunyun Zhong, Yuehong Yu et al. (2018) · ACS Omega

Cytowania: 121Open AccessDOI ↗PDF ↗

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Indirect methanol synthesis from CO2 through high-efficient dimethyl carbonate hydrogenation as a bridge below 100°C.

et al. (2025)

Cytowania: 3Open AccessDOI ↗PubMed ↗PDF ↗

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Promoting Intermediate Stabilization and Coupling for Dimethyl Carbonate Electrosynthesis.

et al. (2025)

Cytowania: 3Open AccessDOI ↗PubMed ↗PDF ↗

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Functional poly(ionic liquid) with unique zwitterionic structure as efficient catalyst for the conversion of ethylene carbonate to dimethyl carbonate.

et al. (2025)

Cytowania: 2Open AccessDOI ↗PubMed ↗PDF ↗

Frustrated Lewis Pairs on Porous Ceria Nanorods Drive Low-Temperature Dimethyl Carbonate Hydrogenation to Methanol.

et al. (2026)

Cytowania: 2$ PaywallDOI ↗PubMed ↗

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Br-Mediated Pd Catalysis Promotes Intermediates Stabilization and Coupling for Anodic Electrosynthesis of Dimethyl Carbonate.

et al. (2026)

Open AccessDOI ↗PubMed ↗PDF ↗

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Exploring Dimethyl Carbonate as a Green and Efficient Solvent for Highly Regioselective Iodination of Arylboronic Acids.

et al. (2026)

Open AccessDOI ↗PubMed ↗PDF ↗

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Efficient Catalytic Ozonation of Dimethyl Carbonate on M‑Mn (M = Cr, Cu, Co)/ZSM‑5 Zeolites: Further Analysis of Reaction Mechanism.

et al. (2026)

Open AccessDOI ↗PubMed ↗PDF ↗

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Adsorptive Separation, Interfacial Configuration, and Mechanism of Dimethyl Carbonate-Methanol Azeotrope onto α-Al2O3: Experimental and Molecular Simulations.

et al. (2025)

Open AccessDOI ↗PubMed ↗PDF ↗

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Green reversed-phase liquid chromatography of CoQ10 and vitamin E using dimethyl carbonate as the mobile phase modifier

Mohamed A. Abdelaziz, Neil D. Danielson (2026) · Green Analytical Chemistry

Open AccessDOI ↗PDF ↗

Dimethyl carbonate as a green solvent in ternary solvent systems for liquid chromatography: Investigation of miscibility limits and mobile phase viscosities.

(2026)

$ PaywallDOI ↗PubMed ↗

Synergistic Effects of Poly(ionic liquids)@MOF-808 Nanocomposites for Direct Conversion of Carbon Dioxide into Dimethyl Carbonate.

et al. (2025)

$ PaywallDOI ↗PubMed ↗

Tuning vacancy structures in metal-doped CeO2 nanorods to alter the reaction equilibrium of direct synthesis of dimethyl carbonate from CO2 and methanol.

et al. (2026)

$ PaywallDOI ↗PubMed ↗

Sustainable C-H Methylation Employing Dimethyl Carbonate.

et al. (2024)

$ PaywallDOI ↗PubMed ↗

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Glycerol carbonate synthesis from glycerol and dimethyl carbonate using guanidine ionic liquids

Cui, Penglei, Wang, Xingxing, Zhang, Peng et al. (2017) · Elsevier BV

Open AccessDOI ↗PDF ↗

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TiO2 nanofibers of different crystal phases for transesterification of alcohols with dimethyl carbonate

Liu, Hongwei, Ke, Xuebin, Zheng, Zhanfeng et al. (2014) · Elsevier

Open AccessDOI ↗PDF ↗

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N-heterocyclic carbene catalyzed synthesis of dimethyl carbonate via transesterification of ethylene carbonate with methanol

Shi, Wei-Jie, Guo, Hao, Li, Wen-Juan et al. (2015) · Springer

Open AccessDOI ↗PDF ↗

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Optimization of supercritical dimethyl carbonate method for biodiesel production

Saka, Shiro, Ilham, Zul (2012) · Elsevier Ltd.

Open AccessDOI ↗PDF ↗

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

Sinonimi

Dimethyl carbonate · 616-38-6 · Methyl carbonate · Carbonic acid, dimethyl ester · Methyl carbonate ((MeO)2CO) · NSC 9371 · KE9J097SPN · AI3-14705 · NSC-9371 · DTXCID609192 · CHEBI:36596 · RefChem:5760 · 210-478-4 · Carbonic Acid Dimethyl Ester · DIMETHYLCARBONATE

Fonti dei dati

📊 PubChem CID 12021 — NIH
🔬 NIST WebBook — spektroskopia
🌐 Wikidata
💊 ChEMBL — bioaktywność

Acquista nel negozio

Dimethyl carbonate →

Molecole correlate

Isopropyl acetate CAS 108-21-4 · C5H10O2 1,2-Propylene Diacetate (PGDA) CAS 623-84-7 · C7H12O4 Citric Acid Monohydrate CAS 5949-29-1 · C₆H₁₀O₈ Diethyl phthalate (DEP) CAS 84-66-2 · C12H14O4 Benzoic acid CAS 65-85-0 · C7H6O2 Vinyl acetate CAS 108-05-4 · C4H6O2