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2908.99.15.00/Cumene Sulfonic Acid/Japan

Cumene Sulfonic Acid from Japan

Cumene sulfonic acid from isopropylbenzene sulfonation contains only sulfo groups, used in hydrotropic formulations. Meets HTS 2908.99.1500 criteria as pure sulfonated phenol derivative.

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%
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Import Tips

• Specify IPB content <0.5%; flash point certification >93°C

• Common error: Phenol sulfonate confusion leading to incorrect Chapter 29 heading