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2901.29.10.50/4-Methyl-1-Pentene/Japan

4-Methyl-1-Pentene from Japan

4-Methyl-1-pentene is a branched alpha-olefin (C6H12) produced from petroleum raffinates. It falls under HTS 2901.29.1050 as an 'other' petroleum-derived unsaturated acyclic hydrocarbon, distinct from straight-chain olefins. Used as comonomer in specialty polypropylenes and as chemical intermediate.

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%
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Import Tips

• CAS 691-37-2 documentation essential; distinguish from isoprene (different double bond position)

• Inhibited with 10-50 ppm BHT; declare inhibitor type to avoid stability issues during customs hold

4-Methyl-1-Pentene from Japan — Import Duty Rate | HTS 2901.29.10.50