Ethyl Benzenesulfonate from Mexico
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 — Mexico → United States
15.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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