p-Toluenesulfonyl Chloride from Canada
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 — Canada → United States
15.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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