2901.23.00.00/Mixed Butene Isomers (C4 Raffinate)/Japan

Mixed Butene Isomers (C4 Raffinate) from Japan

C4 raffinate stream containing 1-butene, 2-butene (cis/trans), and isobutene, classified as butene isomers under HTS 2901.23.00.00 when meeting purity standards.

Duty Rate — Japan → United States

10%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
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Import Tips

• Detailed GC composition report required showing butene dominance (>90%)

• ISO tank documentation must specify exact isomer breakdown

• Monitor butadiene content (<50ppm) to avoid 2901.24 reclassification

Mixed Butene Isomers (C4 Raffinate) from Japan — Import Duty Rate | HTS 2901.23.00.00