Maleic Anhydride from Canada
Maleic anhydride is a cyclic anhydride derived from maleic acid, an acyclic polycarboxylic acid, used primarily in the production of resins and polymers. It falls under HTS 2917.19.27.00 as an anhydride of maleic acid, specifically listed in this subheading for derivatives not elsewhere specified. This chemical is a key intermediate in unsaturated polyester resins and alkyd coatings.
Duty Rate — Canada → United States
16.5%
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
• Verify purity certificate and ensure documentation confirms derivation from maleic acid to avoid reclassification under Chapter 29 exclusions
• Include Material Safety Data Sheets (MSDS) as it's hazardous; check DOT regulations for proper packaging and labeling