1-Naphthol from Canada
Aromatic coupler used in color photographic development for magenta dye formation. Reacts with oxidized developing agents to produce color images in chromogenic films. HTS 2934.99.20.00 includes such color coupling chemicals.
Duty Rate — Canada → United States
110%
Rate breakdown
9903.04.6093.5%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
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
• Include color coupler reaction mechanism documentation
• Use nitrogen-flushed packaging to prevent aerial oxidation
• Prevent dye intermediate classification through processing application proof