Maleic Acid (99% Purity, Industrial Grade) from Canada
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 — Canada → United States
16.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 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