p-Toluenesulfonyl Chloride from Mexico
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 — Mexico → United States
15.5%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
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