p-Toluidine-m-sulfonic Acid with Stabilizer from Japan
p-Toluidine-m-sulfonic acid containing added stabilizer for preservation, classified under HTS 2921.43.9040 per Chapter 29 note (f). The stabilizer does not alter its principal chemical identity as toluidine derivative.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• List stabilizer type/concentration (<1%) and justify 'necessary for preservation' per note (f)
• Ensure stabilizer doesn't confer specific end-use that violates note (g) general use requirement
• Maintain batch records showing stabilizer addition post-purification for audit trail