Maleic Acid from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
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