2-Ethylsuccinic Acid from Mexico
2-Ethylsuccinic acid, a branched chain acyclic dicarboxylic acid used as a chemical intermediate. Falls under HTS 2917.19.70.50 as 'other' acyclic polycarboxylic acid derivative. Meets Chapter 29 definition despite branching on carbon chain.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6096%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
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
• Provide GC-MS confirming >95% single isomer purity
• Specify branched vs linear chain in commercial invoice
• Check REACH registration status for EU transshipments