Sodium Salt of 2-Naphthylamine-6-sulfonic Acid from United States
The sodium salt of 2-naphthylamine-6-sulfonic acid is the salt form of Schaeffer's acid, used as a dye intermediate. Per Chapter 29 Note 5(C)(1), inorganic salts of organic compounds are classified in the heading appropriate to the organic compound. This salt retains the amine-function classification of the parent acid and falls under the tariff item for naphthylamine derivatives.
Duty Rate — United States → Canada
0%
Import Tips
• Confirm the product is a salt of a naphthylamine derivative, as per Chapter 29 Note 5(C)(1)
• Ensure the salt is not put up in measured doses or for retail sale, which would trigger Section VI Note 2
• Provide the chemical formula and purity data to the CBSA