p-Anisic Acid from China
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 — China → United States
40.8%
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
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
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