2,2'-Dihydroxydiphenylamine from China
2,2'-Dihydroxydiphenylamine is a diphenylamine derivative with hydroxy groups at the 2 and 2' positions relative to the nitrogen bridge, used as a photographic developer intermediate. It is classified under tariff item 2921.44.00 as a derivative of diphenylamine, which includes substituted diphenylamine compounds and their salts.
Duty Rate — China → Canada
0%
Import Tips
• Ensure the product is not put up in measured doses or for retail sale, as this could shift classification to another heading
• Provide a detailed chemical analysis to confirm the position of hydroxy groups
• Verify if the product requires an import permit under Canadian chemical control lists