1,3-Butadiene (refined isomer) from Japan
While primarily under 2901.24, highly purified 1,3-butadiene can be considered a butene-related diene isomer under HTS 2901.23.00.00 when specified as such. Used exclusively for synthetic rubber (SBR) production.
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
Import Tips
• Provide distillation specs showing <50ppm impurities for pure compound status
• Include polymerization inhibitor certificate to prevent reclassification
• Monitor for butene/butadiene mixture thresholds triggering 2901.29