2904.10.10.00/p-Toluenesulfonyl Chloride/Japan

p-Toluenesulfonyl Chloride from Japan

p-Toluenesulfonyl chloride (TsCl) is a sulfonyl chloride derivative of toluene, specifically named in HTS 2904.10.10.00 as a sulfonated hydrocarbon derivative. It functions as a key protecting group reagent in organic synthesis.

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%

Calculate with your customs value Verify classification with AI

Import Tips

• Classify as UN 3261 corrosive solid; moisture-proof packaging prevents hydrolysis during transport

• Provide synthesis pathway documentation to confirm it's the pure chloride, not sulfonamide