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
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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