8-Amino-1-naphthalenesulfonic Acid (Free Acid Form) from Japan
8-Amino-1-naphthalenesulfonic Acid (Free Acid Form) is a chemically defined aromatic sulfonic acid amine derivative, used in dye processes requiring strong acidic conditions. It is classified under tariff item 2921.45.00 as a derivative of naphthylamine.
Duty Rate — Japan → Canada
0%
Import Tips
• Ensure the free acid form is properly packaged to avoid moisture absorption
• Provide a safety data sheet (SDS) for handling and transport
• Confirm the classification with CBSA if the product is used in food-contact applications