Safety Reference
Danger
H314Causes severe skin burns and eye damage
H331Toxic if inhaled
H318
Sourcing Terephthaloyl chloride?
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pharmaceutical intermediate
Sourcing Terephthaloyl chloride?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
Terephthaloyl chloride is an organic compound used primarily as an intermediate in the production of synthetic fibers and resins. It functions as a cross-linking agent for polyurethanes and polysulfides and is also employed in the manufacture of dyes, pharmaceuticals, and rubber chemicals.
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 Terephthaloyl chloride (CAS 100-20-9) is 2917.39.
2917.39
2917 39 85
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
benzene-1,4-dicarbonyl chloride
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C1=CC(=CC=C1C(=O)Cl)C(=O)Cl