</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →
2901.23.00.00/2-Methyl-1-Butene/Japan

2-Methyl-1-Butene from Japan

2-Methyl-1-butene, a branched pentene often associated with C4/C5 processing, classified under butene isomers HTS 2901.23.00.00 when pure.

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%
Calculate with your customs valueVerify classification with AI

Import Tips

• Confirm C5 hydrocarbon exclusion via precise molecular weight specs

• Specialty chemical import - requires end-user verification

• Packaging in lecture bottles for research quantities

2-Methyl-1-Butene from Japan — Import Duty Rate | HTS 2901.23.00.00