1,8-Naphthalenediamine Flake Form from Canada
Flake-form 1,8-naphthalenediamine is a solid aromatic polyamine used in pharmaceutical intermediates and polymers. It is specifically identified under HTS 2921.59.04.00, excluding exclusions like salts or mixtures.
Duty Rate — Canada → United States
10%
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
• Specify flake size and melting point in docs; ensure ICH Q7 GMP compliance for pharma use; monitor for moisture absorption during shipping