Maleic Acid (99% Purity, Industrial Grade) from Japan
Maleic acid is a dicarboxylic acid with the formula HO2CCH=CHCO2H, classified under HTS 2917.19.23.00 as an acyclic polycarboxylic acid. This high-purity industrial grade product is used in the production of unsaturated polyester resins, coatings, and agricultural chemicals. It meets Chapter 29 requirements for separate chemically defined organic compounds.
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
• Provide Certificate of Analysis (COA) confirming 99% purity and maleic acid composition to verify classification under 2917.19.23.00
• Ensure proper hazardous material declaration (UN 2215) and UN-approved packaging for transoceanic shipment
• Avoid misclassification as fumaric acid (2917.19.1500) by confirming cis-isomer structure via spectroscopic data