1,5-Hexadiene Petroleum Grade from Mexico
1,5-Hexadiene (C6H10) is a nonconjugated diene coproduct from petroleum ethylene processes. Classified HTS 2901.29.10 as other petroleum-derived unsaturated acyclic hydrocarbon with two double bonds. Used as crosslinking agent in polyethylene and EPDM elastomers.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Specify peroxide formation inhibitor; test monthly per ASTM D2180
• GC purity >97% w/ <0.5% hexatriene impurity specification
• Nitrogen-padded containers; oxygen <20 ppm to prevent explosive peroxides