Quinoline Yellow WS Dye from Mexico
Quinoline Yellow WS is a synthetic trisodium salt of a quinophthalone compound used as a food coloring (E104), based on quinoline structure. It falls under HTS 2933.49.70.00 as a chemically defined quinoline heterocyclic, though primarily imported for industrial dye applications. Excluded from Chapter 32 per chapter note (g) only if not coloring matter.
Duty Rate — Mexico → 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
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• FDA Color Additive Petition status required; declare purity >85% for food grade
• Salt form documentation essential; verify against Chapter 29 inorganic salt rules