1,8-Naphthalenediamine Flake Form from United States
Flake-form 1,8-naphthalenediamine is a solid aromatic polyamine used in pharmaceutical intermediates and polymers. It is classified under tariff item 2921.59.00 as an 'other' aromatic polyamine, regardless of physical form, as long as it is chemically defined.
Duty Rate — United States → Canada
0%
Import Tips
• Declare the physical form (flake) and purity on customs documents
• Ensure the flake form does not contain additives that alter classification
• Verify the product is not a salt or mixture excluded from this heading