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%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Regioselectivity data (position 5 vs 6 sulfonation)
• Flash point certification for flammable liquid handling