1-Naphthylamine-5-sulfonic Acid (Laurent's Acid) from Germany
Laurent's acid, a monosulfonated 1-naphthylamine derivative, is classified under HTS 2921.45.60.00 as specified in additional U.S. note 3. Used in manufacturing of acid dyes for wool and silk.
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
• Include batch-specific chromatograms confirming >98% purity
• Comply with EPA chemical import notification requirements
• Declare as 'not for medicinal use' to avoid pharmaceutical chapter confusion