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Trimellitic Anhydride (TMA) from Mexico

Trimellitic anhydride is a tri-carboxylic aromatic acid anhydride used in wire enamel coatings and high-temperature plastics. Falls under HTS 2917.39.30.00 as described in additional U.S. note 3 to section VI for quota-controlled aromatic polycarboxylic derivatives.

Duty Rate — Mexico → United States

110%

Rate breakdown

9903.04.6093.5%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter

Import Tips

• Smaller quota volumes; monitor remaining balance via Federal Register notices

• Safety data sheet required showing <0.1% trimellitic acid content to qualify as pure anhydride