Phthalic Anhydride (Technical Grade) from Mexico
Cyclic anhydride of ortho-phthalic acid, an aromatic polycarboxylic acid derivative used in plasticizer and resin manufacturing. Subject to HTS 2917.39.30.00 classification per additional U.S. note 3 to section VI for quota management.
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
• Molten or flake form requires temperature-controlled shipping docs proving safety transport per Chapter 29 note
• Include acid number and anhydride content analysis per ASTM standards