Bulk Sulfanilic Acid Flakes from Canada
Sulfanilic acid produced in flake form for industrial dye and pigment manufacturing is classified under HTS 2921.42.22.00 as the specific aniline derivative salt. The physical form does not affect chemical classification under Chapter 29 aromatic monoamines.
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
• Specify flake purity and moisture content (<1%) in commercial invoice
• Use 25kg fiber drums with PE liner; comply with IMDG corrosive solid packing
• Avoid bulk liquid declaration—flakes are solid form only