1-(Phenylamino)naphthalin-8-sulfonic Acid from Japan
1-(Phenylamino)naphthalin-8-sulfonic acid is an N-phenyl substituted derivative of peri acid, used in acid dye manufacture. It retains the naphthylamine structure and is classified under the tariff item for naphthylamine derivatives. The N-phenyl substitution does not remove it from the scope of aromatic monoamine derivatives.
Duty Rate — Japan → Canada
0%
Import Tips
• Verify 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 structure