C4H5ClO
104.53 g/mol
Industrial ChemicalDanger
METHACRYLOYL CHLORIDE
CAS920-46-7EC213-058-9
Category
Industrial Chemical
Compound Class
Halocarbon
Primary Use
monomer for polymer synthesis
Methacryloyl chloride is a liquid with a density of 1. 07 g/cm³, a boiling point of 95–96 °C, and a flash point of 55 °F.
monomer for polymer synthesisproduction of hydrogel for contact lenses
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Safety Reference
Danger
H225Highly flammable liquid and vapour
H302Harmful if swallowed
H314Causes severe skin burns and eye damage
H317May cause an allergic skin reaction
H330Fatal if inhaled
H412Harmful to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for METHACRYLOYL CHLORIDE (CAS 920-46-7) is 2916.19.
HS code (international, 6-digit)
2916.19
EU CN code (8-digit)
2916 19 95
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
2-methylprop-2-enoyl chloride
InChIKey
VHRYZQNGTZXDNX-UHFFFAOYSA-N
SMILES
CC(=C)C(=O)Cl
Synonyms (20)
- 2-Methyl-2-propenoyl chloride
- 2-Methylacryloyl chloride
- 2-Methylpropenoyl chloride
- 2-methylprop-2-enoyl chloride
- METHACRYLOYL CHLORIDE
- Methacryl chloride
- Methacrylic acid chloride
- Methacrylic chloride
- Methacrylyl chloride
- Methylacryloyl chloride
- alpha-Methylacryloyl chloride
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