1,8-Naphthalenediamine Flake Form from Japan
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 — Japan → United States
12.5%
Rate breakdown
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
• Specify flake size and melting point in docs; ensure ICH Q7 GMP compliance for pharma use; monitor for moisture absorption during shipping