Hexamethylenediamine Adipic Acid Monosalt from Canada
Partial neutralization product (1:0.5 molar ratio) of hexamethylenediamine with adipic acid, used in specialty polymer modifiers. Still principally derived from adipic acid per HTS 2921.22.1000 requirements. Intermediate for copolyamide synthesis.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Document neutralization equivalence ratio via acid-base titration to prove classification
• Include stabilization certificates if anticaking agents added per Chapter 29 note (f)