Pharmaceutical Grade Sulfanilic Acid USP from Germany
USP-grade sulfanilic acid meets pharmacopeia standards for use in diagnostic reagents and synthesis of sulfa drugs, classified under HTS 2921.42.22.00 as a pure aromatic monoamine derivative. Its high purity ensures compliance with Chapter 29 requirements for separate chemically defined compounds.
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
• Include USP/EP certificate and DMF if destined for pharma use; FDA prior notice may apply
• Segregate from industrial grades to avoid contamination claims during customs inspection
• Watch for reclassification to 3002 if pre-formulated as immunological product