2-Carboxy-3-Naphthol from Canada
2-Carboxy-3-naphthol is the IUPAC name for 3-hydroxy-2-naphthoic acid, fitting HTS 2918.29.2500 as a phenolic carboxylic acid. It acts as a critical coupler in fast dye production for cotton and wool textiles.
Duty Rate — Canada → United States
16.5%
Rate breakdown
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
• Cross-reference synonyms in HTS rulings database; provide molecular formula C11H8O3 confirmation
• Prevent confusion with naphthol AS derivatives