Industrial Grade Hexamethylenediamine Diadipate from Canada
Hexamethylenediamine diadipate (1:2 salt ratio) provides excess carboxylic functionality for specialized nylon copolymer production. Derived entirely from adipic acid, it qualifies under HTS 2921.22.1000 as specified in the heading. Used in high-performance engineering polymers.
Duty Rate — Canada → United States
16.5%
Rate breakdown
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
• ,Label containers with exact salt ratio and adipic acid content percentage per GHS chemical labeling
• Check for anti-dumping duties on nylon intermediates from specific Asian producers