1,4-Diaminocyclohexane from Canada
1,4-Diaminocyclohexane serves as a curing agent in epoxy adhesives. As a simple cyclanic polyamine, it falls under HTS 2921.30.50.00 'other' category.
Duty Rate — Canada → 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
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Trans/cis isomer ratio must be declared; pure isomers vs mixtures
• Skin sensitizer; ensure GHS labeling compliance on commercial invoice
• Not classifiable as nylon salt; remains Chapter 29 monomer