2,2'-Dihydroxydiphenylamine from Canada
2,2'-Dihydroxydiphenylamine contains hydroxy groups ortho to the nitrogen bridge, classified as 'other' under HTS 2921.44.70.00. Functions as a photographic developer intermediate.
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
• Provide oxidation stability data for dark storage requirements
• Include spectral data confirming ortho-hydroxy positioning
• Avoid aqueous solutions unless meeting chapter note (d) criteria