Ethyl Benzenesulfonate from Canada
Ethyl ester of benzenesulfonic acid, explicitly provided for in this subheading as aromatic hydrocarbon sulfo ethyl ester. Classifies under HTS 2904.10.37.00 per heading structure. Used as intermediate in organic synthesis and polymer production.
Duty Rate — Canada → United States
15.5%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Confirm esterification with ethanol per chapter note 3(B); other alcohol esters may classify differently
• Provide refractive index and boiling point data matching published specifications
• Store/transport away from water to prevent hydrolysis back to sulfonic acid