4-Benzoylbenzoic Acid from Mexico
This compound combines benzoic acid with a benzoyl ketone group, used in pharmaceutical intermediates and liquid crystals. HTS 2918.30.2500 applies as an aromatic acid with ketone function and additional oxygen, matching U.S. note 3 descriptions for such 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
• Acid value and melting point specs required to distinguish from simple benzoic acids
• Pharma-grade needs DMF/CEP filings; avoid generic 'organic acid' descriptions