Pseudocumene Sulfonic Acid from Japan
1,2,4-Trimethylbenzene sulfonic acid (pseudocumene derivative). HTS 2904.99.50.00 for polymethylbenzenesulfonates. Corrosion inhibitors.
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
• Regioselectivity data (position 5 vs 6 sulfonation)
• Flash point certification for flammable liquid handling