3,3'-Dimethylbenzidine Hydrochloride from Mexico
3,3'-Dimethylbenzidine hydrochloride is the hydrochloride salt of 3,3'-dimethylbenzidine, an aromatic polyamine used in dye synthesis. Under Chapter 29 Note 5(C), salts of organic bases are classified with the organic compound, so it falls under tariff item 2921.59.00.
Duty Rate — Mexico → Canada
0%
Import Tips
• Declare the salt form and the base compound on customs documentation
• Ensure the salt is not a separate product excluded from Chapter 29
• Verify if any special handling or labeling is required for hydrochloride salts