</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

1,3-Diiodopropane from Japan

1,3-Diiodopropane is a propane chain symmetrically substituted with iodine atoms at both terminal carbons. Falls under HTS 2903.69.90.00 as an iodinated derivative of an acyclic hydrocarbon. Utilized in organic synthesis for cross-coupling reactions.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

Import Tips

Provide certificate of analysis showing iodine content and absence of metallic impurities

Store/import under inert atmosphere to prevent decomposition, which could affect classification

Distinguish from polymer precursors that might classify under Chapter 39 plastics