Schaeffer's Salt (2-Naphthylamine-6-sulfonic Acid) from United States
Schaeffer's Salt (2-Naphthylamine-6-sulfonic Acid) is a sodium salt of 2-naphthylamine-6-sulfonic acid, used as an intermediate in azo dye synthesis. Its aminohydroxynaphthalenesulfonic acid structure places it under tariff item 2922.21.00. The salt form is included as a salt of the acid.
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 salt form
• Check if the product qualifies for duty-free treatment under a free trade agreement