Aspirin Diethylamine Salt from Mexico
Diethylamine salt of O-acetylsalicylic acid used in topical analgesic gels. Falls under 2918.22.5000 as organic base salt per note (C)(2), classified by acid component occurring later in chapter. Bulk chemical for semi-solid formulations.
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
• Provide NMR confirming salt ionic bond; declare amine:acid molar ratio; comply with GHS labeling for corrosive potential