2,5-Dimethoxy-p-Toluidine from Canada
2,5-Dimethoxy-p-toluidine serves as an intermediate for permanent hair dyes and polymer antioxidants. Despite dual ether functions, the toluidine amine remains principal characteristic for HTS 2921.43.90 classification per Chapter Note numerical order.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Methoxy position confirmation via HPLC; 2,4-isomer more common in dyes
• Cosmetic Ingredient Review documentation for hair dye use
• Antioxidant end-use letters distinguish from dye intermediate classification