1-Naphthylamine-8-sulfonic Acid (Peri Acid) from Mexico
Peri acid, or 1-naphthylamine-8-sulfonic acid, is a derivative of 1-naphthylamine used in azo pigment synthesis for inks and coatings. It is a chemically defined aromatic monoamine with a sulfonic acid group, classified under the tariff item for naphthylamine derivatives. The primary amine function determines its classification in heading 29.21.
Duty Rate — Mexico → Canada
0%
Import Tips
• Ensure the product is a separate chemically defined compound under Chapter 29 Note 1(a)
• If the product is a salt, ensure it is classified with the parent compound per Note 5(C)(1)
• Provide a certificate of analysis to the CBSA to confirm the chemical identity