Naphthalene-Derived Maleic Anhydride (Industrial Grade) from Canada
High-purity maleic anhydride from naphthalene oxidation (aromatic hydrocarbon), classified in HTS 2917.14.10.00 as specified for aromatic-derived acyclic polycarboxylic anhydrides. Essential for alkyd resin manufacturing and paper sizing applications.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include GC-MS analysis confirming <0.5% maleic acid content for pure anhydride classification
• Declare proper flash point (104°C) and autoignition temperature on shipping papers
• Monitor for fumaric acid impurities that could affect duty classification