1,3-Butadiene (refined isomer) from Mexico
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 — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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