2-Naphthylamine-6-sulfonic Acid (Schaeffer's Acid) from Germany
Schaeffer's acid is a key 2-naphthylamine derivative with a sulfonic acid substituent at position 6, falling under HTS 2921.45.60.00 due to additional U.S. note 3. Essential for manufacturing acid dyes and direct dyes.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Provide IUPAC name and synonyms on labeling to match HTS description exactly
• Comply with TSCA pre-manufacture notification if first import
• Segregate from oxidizing materials during transport per DOT regulations