Petroleum Sulfonic Acid Sodium Salt from Japan
Mahogany sulfonates from petroleum refining, aromatic fraction, classified HTS 2904.10.32.00 per note 3. Used as emulsifiers in oilfield chemicals.
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
• Sulfonate content >50% required for chapter 29 classification
• AN (acid number) 10-30 specification verification
• Dark color natural; not purity indicator