cis-2-Butene from Mexico
cis-2-Butene is the cis isomer of 2-butene, an acyclic alkene with formula CH3-CH=CH-CH3, falling under HTS 2901.23.00.00 for butene isomers. It is used in organic synthesis and as a research chemical.
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 stereochemistry (cis) in technical documentation to distinguish from trans isomer
• Ensure DOT-compliant packaging for flammable liquids during transport and customs inspection
• Check for stabilizer additives that could reclassify as Chapter 29 note (f) product