o-Tolidine (2,2'-Dimethylbenzidine) from Mexico
o-Tolidine (2,2'-dimethylbenzidine) is a dimethyl-substituted aromatic diamine used in pigment synthesis and analytical reagents. Its two amine groups on a dimethylbiphenyl structure place it under tariff item 2921.59.00.
Duty Rate — Mexico → Canada
0%
Import Tips
• Declare the product as o-tolidine and include the CAS number (119-93-7) on the invoice
• Verify if the product is listed under Canada's Prohibition of Certain Toxic Substances Regulations