p-Aminoazobenzene-2,4-disulfonic acid, 98% purity from United States
p-Aminoazobenzene-2,4-disulfonic acid, 98% purity, is a chemically defined azo compound with sulfonic acid groups. It is used as a dye coupling component in the production of azo dyes.
Duty Rate — United States → Canada
0%
Import Tips
• Confirm the product is a separate chemically defined compound with purity above 90%
• Provide a Certificate of Analysis to the CBSA to verify the chemical structure
• Check if the product is subject to any Canadian environmental regulations