Tobias Acid Sodium Salt (2-Naphthylamine-6-Sulfonic Acid precursor) from Germany
Sodium salt of naphthol sulfonic acid used in dye chemistry, classified under HTS 2907.15.60.00 'other naphthols.' Key for naphthol AS dye series.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Ensure no amino substitution that would move to 2922 per chapter notes
• Bulk chemical labeling required; retail packing changes classification
• Verify against chapter exclusions for immunological products (3002)