Ethyl Azelate from Mexico
Diethyl azelate (azelaic acid diethyl ester) used as polymer intermediate and plasticizer. HTS 2917.13.00.90 classification follows Chapter 29 note 5(B) for ethyl esters of polycarboxylic acids, aligning with parent acid subheading.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6095.2%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
• Ethyl esters follow acid classification per note 5(B); confirm no aromatic substitution
• Boiling point documentation required for proper hazardous material declaration
• Distinguish from adipate ethyl esters (2917.12) via chain length verification