Technical Grade p-Toluidine-m-sulfonic Acid (98% Pure) from Mexico
Technical grade p-Toluidine-m-sulfonic acid with 98% purity, containing minor impurities but meeting Chapter 29(a) definition for chemically defined organic compounds. Classified specifically under HTS 2921.43.9040 for industrial dye synthesis.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include COA showing impurity levels <2% to qualify as 'chemically defined' per Chapter 29 note (a)
• Label with GHS corrosive pictogram and specific CAS for customs verification
• Segregate from Chapter 32 dyes during import to prevent misclassification