Safety Reference
Warning
H302Harmful if swallowed
H312Harmful in contact with skin
H332Harmful if inhaled
Sourcing 4,4'-Diiodobiphenyl?
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Polymerization initiator
Sourcing 4,4'-Diiodobiphenyl?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
4,4'-Diiodobiphenyl is a halogenated biphenyl compound used as an intermediate in chemical synthesis. Its structure consists of two aromatic rings connected by a single bond, each substituted with an iodine atom.
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 4,4'-Diiodobiphenyl (CAS 3001-15-8) 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-iodo-4-(4-iodophenyl)benzene
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