Naphthol AS-TR Dye Base from China
Naphthol AS-TR is an aromatic cyclic amide derivative serving as a stable base for red azo pigments in printing inks and textiles. It is classified in HTS 2924.29.36.00 as 'other' naphthol AS derivatives with carboxyamide function, per Chapter 29's organic compound definitions. Widely used in high-fastness color formulations.
Duty Rate — China → United States
19%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
Import Tips
• Cross-check with CBP rulings for naphthol derivatives to confirm 2924.29.36.00 applicability
• Maintain temperature-controlled shipping to preserve chemical stability without added solvents
• Avoid bulk import labeling as 'dye stuff' which triggers Chapter 32 scrutiny