1-Naphthol-3,6-Disulfonic Acid (H Acid precursor salt) from Japan
A disulfonic acid salt of 1-naphthol, captured in HTS 2907.15.60.00 'other' category for naphthols and salts. Intermediate for H-acid used in reactive dyes.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Chemical assay reports must show naphthol as principal characteristic group
• Declare CAS 104-64-3 accurately to prevent isomer confusion
• Avoid adding identification agents beyond chapter note (g) limits