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
3.7%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 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