Methacryloyl chloride

甲基丙烯酰氯

Also known as: 2-Methyl-2-propenoyl chloride, 2-Methylacryloyl chloride, 2-Methylpropenoic acid chloride, 2-Methylprop-2-enoyl chloride, Methacrylyl chloride

CAS No.
920-46-7
Jingsj CID
J-1422761-3
Molecular Formula
C4H5ClO
Chinese Name
甲基丙烯酰氯
Molecular Weight
104.535 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point-60°C
Boiling Point96.0±0.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point27.7±11.9 °C

GHS Safety & Compliance

Flammable / Corrosion / Acute ToxicitySignal word: Danger

Frequently Asked Questions

What is the CAS number of Methacryloyl chloride?

920-46-7

What are the molecular formula and molecular weight of Methacryloyl chloride?

C4H5ClO, molecular weight 104.535 g/mol

Is Methacryloyl chloride hazardous?

Danger

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026