p-Anisic Acid from Mexico
p-Anisic acid (4-methoxybenzoic acid) is an aromatic carboxylic acid with an additional oxygen function from the methoxy group attached to the benzene ring. It falls under HTS 2918.99.0500 as a specifically named aromatic carboxylic acid with additional oxygen function, chemically defined and separate as per Chapter 29 note (a). Used in organic synthesis, flavors, and pharmaceuticals.
Duty Rate — Mexico → United States
15.8%
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 Certificate of Analysis confirming 99%+ purity and identity as p-anisic acid to match specific HTS listing
• Ensure SDS includes GHS classification for irritant properties; declare as research chemical if not for direct consumer use
• Avoid misclassification as general benzoic acid derivative; verify aromatic structure and oxygen function