4-Hydroxybenzoic Acid USP Grade from Mexico
USP-grade 4-Hydroxybenzoic acid (synonym for p-Hydroxybenzoic acid) meets pharmaceutical standards for purity, directly classifiable under HTS 2918.29.22.00 as the specified chemically defined compound. Used primarily in drug synthesis and as a preservative precursor.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Provide USP certificate of analysis; FDA registration may be required for pharma intermediates
• Label as 'not for direct food use' to prevent reclassification under food additive regulations
• Check for stabilizer additions; per Chapter note (f), only transport stabilizers allowed or it becomes 3824