Technical Grade Sulfanilic Acid 98% from Canada
Technical grade sulfanilic acid at 98% purity is a bulk industrial chemical used primarily in azo dye production, classified as the specific aniline derivative under HTS 2921.42.22.00 per Chapter 29 notes for chemically defined compounds. It may contain minor impurities but remains a separate organic compound.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Provide assay certificates showing ≥98% purity to distinguish from lower-grade mixtures
• Label as UN3261 Corrosive Solid, Basic per DOT; ensure proper UN-approved packaging