4-Aminoazobenzene-2,4-disulfonic Acid Monosodium Salt (Dye Intermediate) from United States
4-Aminoazobenzene-2,4-disulfonic acid monosodium salt is a chemically defined diazo compound with an azo (-N=N-) linkage and sulfonic acid groups. It is used as a dye intermediate in the manufacturing of azo dyes.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the product is a separate chemically defined compound with purity above 90% to qualify under this tariff item
• Provide a Certificate of Analysis to the CBSA to confirm the chemical structure and purity
• Verify if the product requires a permit under the Canadian Environmental Protection Act (CEPA) before importation