Petroleum 4-Methyl-1-Pentene from Japan
4-Methyl-1-pentene is a branched alpha-olefin (C6H12) from petroleum propylene dimerization. HTS 2901.29.10 classification as petroleum-derived other unsaturated acyclic hydrocarbon. Monomer for specialty transparent polyolefins and copolymers.
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
• ,Polymerization inhibitor (4-tert-butylcatechol) level certification
• Low water content (<50 ppm) critical for downstream polymerization