OCS; formula: C8Cl8; CAS Registry Number: 29082-74-4
Structure of octachlorostyrene
Source: PubChem
Identifier: CID 34466
URL: https://pubchem.ncbi.nlm.nih.gov/compound/34466#section=2D-Structure

Persistent, bioaccumulative and toxic chlorinated organochlorine compound

Octachlorostyrene is a by-product of processes that combine carbon and chlorine at high temperatures, e.g., the electrolytic production of magnesium from magnesium chlorine using graphite anodes, the production of chlorine and chlorinated solvents, aluminium degassing with hexachloroethane and combustion of chlorinated compounds such as PVC.

Environmentally relevant properties of octachlorostyrene include:

Recommended analysis examples


Sampling area

Sampling period

1988 - 2023