Hexamethylenediamine Adipic Acid Monosalt from Japan
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 — Japan → United States
16.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
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)