Maleic Acid from Canada
Pure maleic acid, the dicarboxylic acid precursor to maleic anhydride, explicitly named in this HTS provision. Used in synthesis of unsaturated polyester resins and as a food additive.
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
• Specify crystal form and purity; impurities may affect classification
• Corrosive—require compatible packaging and spill containment plans