Safety Reference
Warning
H226Flammable liquid and vapour
H315Causes skin irritation
H319
Sourcing 4-Chlorostyrene?
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Sourcing 4-Chlorostyrene?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
4-Chlorostyrene is an industrial chemical used primarily in the manufacture of polychlorostyrene, a clear, colorless plastic with good foaming, heat distortion, and flame-retardant properties. It is a chlorinated derivative of styrene with an aromatic ring and halogen substituent.
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.
The international HS code for 4-Chlorostyrene (CAS 1073-67-2) is 2903.99.
2903.99
2903 99 80
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
1-chloro-4-ethenylbenzene
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