# Chloroethene;ethene

CAS: 63231-66-3
PubChem CID: 18331983
InChIKey: KRGNPJFAKZHQPS-UHFFFAOYSA-N
Molecular formula: C4H7Cl
Molar mass: 90.55 g/mol
IUPAC: chloroethene;ethene
SMILES: C=C.C=CCl
InChI: InChI=1S/C2H3Cl.C2H4/c1-2-3;1-2/h2H,1H2;1-2H2
PSA: 0 A^2
Hydrogen bond donors: 0
Hydrogen bond acceptors: 0
Rotatable bonds: 0
Heavy atoms: 5
3D structure: 12 atoms, 10 bonds

## About the compound

Chloroethene;ethene is a chemical compound registered under CAS number 63231-66-3. Molecular formula: C4H7Cl. Molar mass: 90.55 g/mol. The full systematic IUPAC name is: chloroethene;ethene. The molecule contains 12 atoms connected by 10 chemical bonds. 
Chemical data comes from the PubChem (NIH), ChEMBL (EBI) and NIST WebBook databases. GHS statement translations comply with the CLP Regulation (EC 1272/2008). Interactive 3D model and 2D skeleton available at: https://molgod.org/molecule/63231-66-3/


## Synonyms

  - chloroethene;ethene
  - 63231-66-3
  - SCHEMBL166727
  - SCHEMBL7975093
  - KRGNPJFAKZHQPS-UHFFFAOYSA-N

## Data sources

  - PubChem CID 18331983: https://pubchem.ncbi.nlm.nih.gov/compound/18331983
  - NIST WebBook: https://webbook.nist.gov/cgi/cbook.cgi?ID=63231-66-3
  - ChEMBL: https://www.ebi.ac.uk/chembl/g/#search_results/all/query=63231-66-3

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Last updated: 2026-10-17
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