Aspirin Sodium Salt from Mexico
The sodium salt of O-acetylsalicylic acid, commonly used in pharmaceutical formulations for improved water solubility in effervescent tablets and injections. Classified under HTS 2918.22.5000 as a salt of O-acetylsalicylic acid per Chapter 29 notes on inorganic salts of organic acid-function compounds. Meets chapter requirements for separate chemically defined organic compounds.
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 (≥99%) and CAS 37222-66-5 documentation; ensure pharma-grade compliance with FDA/USP standards; avoid misclassification as finished drugs under Chapter 30