4-Amino-1-naphthalenesulfonic acid, sodium salt (Naphthionic acid sodium salt) from Japan
Naphthionic acid sodium salt (4-Amino-1-naphthalenesulfonic acid sodium salt) serves as a diazo component in dye chemistry. It is classified under tariff item 2921.45.00 as a salt of a naphthylamine derivative.
Duty Rate — Japan → Canada
0%
Import Tips
• Provide the chemical name and CAS number to CBSA
• Check if the salt is subject to Canadian hazardous goods regulations if it is corrosive
• Maintain proper documentation for CBSA to verify the classification