C4Cl6
260.8 g/mol
Industrial ChemicalDanger
HEXACHLORO-1,3-BUTADIENE
CAS87-68-3EC201-765-5
Category
Industrial Chemical
Compound Class
Halocarbon
Primary Use
intermediate in rubber compound manufacture
Hexachloro-1,3-butadiene is an industrial chemical used primarily as an intermediate in rubber compound manufacturing. It is also employed as a solvent, heat transfer fluid, and hydraulic fluid.
intermediate in rubber compound manufacturesolvent for elastomersheat transfer liquid
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.
CAS 87-68-3
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Textile stripping agent and fungicide
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solvent and chemical intermediate
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dicarboxylic acid intermediate
Safety Reference
Danger
H301Toxic if swallowed
H302Harmful if swallowed
H310Fatal in contact with skin
H312Harmful in contact with skin
H315Causes skin irritation
H317May cause an allergic skin reaction
H318Causes serious eye damage
H319Causes serious eye irritation
H330Fatal if inhaled
H332Harmful if inhaled
H351Suspected of causing cancer
H371May cause damage to organs
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H227
H341Suspected of causing genetic defects
H361Suspected of damaging fertility or the unborn child
H370Causes damage to organs
H372Causes damage to organs through prolonged or repeated exposure
Customs Tariff Classification
The international HS code for HEXACHLORO-1,3-BUTADIENE (CAS 87-68-3) 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
1,1,2,3,4,4-hexachlorobuta-1,3-diene
InChIKey
RWNKSTSCBHKHTB-UHFFFAOYSA-N
SMILES
C(=C(Cl)Cl)(C(=C(Cl)Cl)Cl)Cl
Synonyms (27)
- HCBD
- 1, 1,1,2,3,4,4-hexachloro-
- 1,3-Butadiene, hexachloro-
- 1,3-Hexachlorobutadiene
- Butadiene, hexachloro-
- C 46
- Dolen-pur
- HEXACHLORO-1,3-BUTADIENE
- Hexachlor-1,3-butadien
- Hexachlorbutadiene
- Hexachlorobuta-1,3-diene
- Hexachlorobutadiene
- Hexachlorobutadiene-(1,3)
- Perchloro-1,3-butadiene
- Perchlorobutadiene