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%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Specify crystal form and purity; impurities may affect classification
• Corrosive—require compatible packaging and spill containment plans