Aspirin Lysine Salt from Mexico
The lysine salt of acetylsalicylic acid maintains classification with parent acid per chapter note 4(C)(1). Covered under HTS 2918.29.65.00 via additional U.S. note 3 for pharmaceutical salts. Imported for soluble analgesic formulations.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Include salt formation certificate linking to parent acetylsalicylic acid classification per note 4(C)
• Ensure water solubility doesn't trigger note (d) misclassification as aqueous solution
• FDA prior notice required; distinguish from finished injectables (3004)