Maleic Acid from Canada
Maleic acid, the dicarboxylic acid isomer of fumaric acid, used in epoxy resins, coatings, and agricultural chemicals. Directly listed under HTS 2917.19.20.00 as a specified acyclic polycarboxylic acid.
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
• CAS 110-16-7 confirmation and purity specs required for proper classification
• Avoid contamination with fumaric acid which may affect tariff treatment
• Check quantitative import limits specified in additional U.S. note 3