1,3-Cyclohexanediamine from Japan
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 — Japan → United States
15%
Rate breakdown
9903.04.6211.3%Pharmaceuticals: patented pharma from JP/EU/KR/CH/LI — 15% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
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