Maleic Anhydride Flakes from Mexico
Maleic anhydride in flake form, a white crystalline solid derived from oxidation of butene, classified under HTS 2917.14.5000 as an acyclic polycarboxylic acid anhydride. Used primarily as a chemical intermediate for resins and coatings, meeting Chapter 29 note requirements for separate chemically defined organic compounds.
Duty Rate — Mexico → United States
14.2%
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
• Verify purity certificate (typically >99%) to confirm classification as chemically defined compound under Chapter 29
• Include Material Safety Data Sheet (MSDS) showing proper UN 2215 shipping name for DOT compliance
• Avoid misclassification as polymer precursor; pure maleic anhydride excludes heading 3900 series