Safety Reference
Warning
H302Harmful if swallowed
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
Regulatory Compliance
Sourcing 1,2,3,5-TETRACHLOROBENZENE?
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Sourcing 1,2,3,5-TETRACHLOROBENZENE?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
1,2,3,5-Tetrachlorobenzene is one of three isomeric tetrachlorobenzenes, which are colorless crystalline compounds. It is primarily used as an intermediate in the production of herbicides and defoliants.
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 1,2,3,5-TETRACHLOROBENZENE (CAS 634-90-2) 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.
1,2,3,5-tetrachlorobenzene
QZYNWJQFTJXIRN-UHFFFAOYSA-N
C1=C(C=C(C(=C1Cl)Cl)Cl)Cl