2-Naphthol-6,8-Disulfonic Acid Disodium Salt (Schaeffer Salt) from Mexico
Schaeffer salt is a disulfonated naphthol sodium salt under HTS 2907.15.60.00 as 'other' naphthols and salts. Used in azo dye production for textiles and leather.
Duty Rate — Mexico → United States
15.5%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide structural formula and molecular weight to confirm naphthol parent structure over sulfonic dominance
• Ensure packaging complies with chapter note (e) if solvent-dissolved for transport