p-Toluidine-m-sulfonic Acid Sodium Salt from Germany
The sodium salt form of p-Toluidine-m-sulfonic acid, a water-soluble aromatic amine sulfonate under HTS 2921.43.9040 per Chapter 29 salt classification rules. Used in azo dye coupling processes and as a chemical intermediate.
Duty Rate — Germany → 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
• Declare exact salt form and counterion (sodium) as organic salts classified with parent compound per note 3(C)
• Test for water content; solutions may require heading 29 note (d) justification for chemical purity
• Avoid retail packaging that could trigger Chapter 32 exclusion for coloring matter preparations