1,8-Naphthalenediamine Flake Form from Mexico
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 — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, 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