3,3'-Dimethylbenzidine (o-Tolidine) from United States
3,3'-Dimethylbenzidine, also known as o-tolidine, is an aromatic polyamine used as an intermediate in azo dye and pigment production. It is classified under tariff item 2921.59.00 as an 'other' aromatic polyamine derivative.
Duty Rate — United States → Canada
0%
Import Tips
• Provide the chemical name and CAS number on the import declaration
• Ensure the product is pure and not mixed with other compounds
• Check if any restrictions apply for dye intermediate use