1,3-Cyclohexanediamine from Mexico
1,3-Cyclohexanediamine is a cyclanic polyamine used in epoxy resin curing agents and polymer synthesis. Classified in HTS 2921.30.50.00 as other cyclanic polyamines, it meets Chapter 29 requirements for separate chemically defined compounds.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6096.3%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
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
• Ensure stereoisomer specification in documentation; mixtures of isomers may require different classification
• Provide REACH compliance docs for EU-origin material; TSCA registration needed for US