1,3-Diiodopropane from China
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 — China → United States
16.2%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
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