Gamma Acid (2-Amino-8-naphthol-6-sulfonic Acid) from United States
Gamma Acid (2-Amino-8-naphthol-6-sulfonic Acid) is a dye coupler with amino, naphthol, and sulfonic acid groups, used in acid and direct dyes. As a pure organic compound with oxygen-function amino groups, it aligns with Chapter 29 scope and falls under tariff item 2922.21.00. It is a separate chemically defined organic compound per Chapter 29 Note 1(a).
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the product is not put up in measured doses or for retail sale, as per Section VI Note 2
• Provide a certificate of analysis to confirm the chemical identity and purity
• Check if the product qualifies for duty-free treatment under a free trade agreement