1-Naphthol from China
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 — China → United States
19%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Include color coupler reaction mechanism documentation
• Use nitrogen-flushed packaging to prevent aerial oxidation
• Prevent dye intermediate classification through processing application proof