Mixed Butene Isomers (C4 Raffinate) from Germany
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 — Germany → 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
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