C4H7Cl
90.55 g/mol
Pharmaceutical IntermediateDanger
1-Chloro-2-methylpropene
CAS513-37-1EC208-158-4
Category
Pharmaceutical Intermediate
Compound Class
Halocarbon
Primary Use
Pharmaceutical Intermediate
1-Chloro-2-methylpropene, also known as dimethylvinylchloride, is a chemical compound used as a pharmaceutical intermediate in organic synthesis. It has been identified as a potential carcinogen by an independent committee of scientific and health experts.
pharmaceutical intermediate for organic synthesisresearch chemical
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.
Restricted or banned substances
Substances on this list are banned or restricted under the named regulation. This page is a compliance reference — verify your obligations under applicable law.
Relevant lists:California Proposition 65
CAS 513-37-1
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ReferenceSame Category
2-(2-Aminoethyl)-1-methylpyrrolidine
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pharmaceutical intermediate
Safety Reference
Danger
H225Highly flammable liquid and vapour
H311Toxic in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H330Fatal if inhaled
H335May cause respiratory irritation
H350May cause cancer
H301Toxic if swallowed
H341Suspected of causing genetic defects
H351Suspected of causing cancer
H373May cause damage to organs through prolonged or repeated exposure
Regulatory Compliance1
- California Proposition 65USRegulation
Customs Tariff Classification
The international HS code for 1-Chloro-2-methylpropene (CAS 513-37-1) is 2903.29.
HS code (international, 6-digit)
2903.29
EU CN code (8-digit)
2903 29 00
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
1-chloro-2-methylprop-1-ene
InChIKey
KWISWUFGPUHDRY-UHFFFAOYSA-N
SMILES
CC(=CCl)C
Synonyms (17)
- DMVC
- 1-CHLORO-2-METHYL-1-PROPENE
- 1-Chloro-2-methylpropene
- 1-Chloroisobutylene
- 1-Propene, 1-chloro-2-methyl-
- 1-chloro-2-methylprop-1-ene
- 2,2-Dimethylvinyl chloride
- 2-Methyl-1-chloropropene
- 2-Methyl-1-propenyl chloride
- DIMETHYL VINYL CHLORIDE, 2,2-
- Dimethylvinyl chloride
- Dimethylvinyl chloride (DMVC)
- Isocrotyl chloride
- Propene, 1-chloro-2-methyl-
- alpha-Chloroisobutylene