p-Aminobenzoic Acid (PABA) from Mexico
p-Aminobenzoic acid is an aromatic organic compound with both amino and carboxylic acid functional groups, explicitly listed under HTS 2922.49.10.00. It is commonly used in sunscreens, pharmaceuticals, and as a vitamin B10 precursor. This technical-grade chemical falls squarely within the heading for oxygen-function amino-acids that are aromatic.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6094.2%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
• Provide detailed chemical analysis certificates confirming purity and structure to match the specific listing
• Ensure SDS and CAS number (59-32-5) documentation for customs verification as an aromatic amino-acid
• Avoid misclassification as a finished pharmaceutical; import as bulk chemical only