5-Amino-2-naphthalenesulfonic acid (Laurent's Acid) from United States
5-Amino-2-naphthalenesulfonic acid (Laurent's Acid) is an aromatic monoamine derivative of naphthalene, featuring an amino group and a sulfonic acid group. It is a key diazo component used in the synthesis of reactive and direct dyes. This compound falls under tariff item 2921.45.00 as a derivative of 1-naphthylamine or 2-naphthylamine, with the amino function being the principal characteristic.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the product is classified as a chemically defined aromatic amine derivative; provide a Certificate of Analysis to confirm purity
• Check if the goods require a permit under the Canadian Environmental Protection Act (CEPA) if imported in bulk
• Keep records of the import transaction for CBSA audits