2-Butene Industrial Grade from Mexico
Industrial 2-butene (mixed cis/trans isomers) is a chemically defined butene mixture under HTS 2901.23.00.00, used in solvent production and alkylation processes.
Duty Rate — Mexico → 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
• Specify isomer ratio (e.g
• 50/50 cis/trans) in COA for customs verification
• Ensure pressure cylinders meet UN specifications for import clearance
• Document as 'isomer thereof' to distinguish from crude petroleum fractions