1,4-Diaminocyclohexane from Japan
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 — Japan → United States
23.8%
Rate breakdown
9903.04.6211.3%Patented pharmaceutical articles that are the product of Japan, of a European Union member country, of South Korea, of Switzerland, or of Liechtenstein as provided for in subdivisions (c) and (f) of U.S. note 40 to this subchapter
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, 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