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4-Hydroxybenzoic Acid from Mexico

4-Hydroxybenzoic acid is an aromatic monocarboxylic acid with a hydroxyl group on the benzene ring, classified under HTS 2916.39.46.00 as a product described in additional U.S. note 3 to section VI. It is commonly used as a preservative in cosmetics, pharmaceuticals, and food products due to its antimicrobial properties.

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

Verify purity certificate (typically ≥99%) as required by additional U.S. note 3 to section VI for chemical classification

Include Material Safety Data Sheet (MSDS) and ensure proper Hazard Class labeling for UN 2443

Confirm CAS number 99-96-7 on all documentation to avoid reclassification

4-Hydroxybenzoic Acid from Mexico — Import Duty Rate | HTS 2916.39.46.00