Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Sourcing 1,4-Diiodobutane?
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research compound
Sourcing 1,4-Diiodobutane?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
1,4-Diiodobutane is a research reagent used in organic synthesis. It is commonly employed in radical ring-expansion reactions, such as the Dowd–Beckwith reaction, to introduce new carbon atoms into cyclic carbonyl compounds.
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 1,4-Diiodobutane (CAS 628-21-7) is 2903.69.
2903.69
2903 69 80
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
1,4-diiodobutane
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