Pharmaceutical Grade Bismuth Carbonate from Mexico
High-purity bismuth carbonate meeting USP standards for use in gastrointestinal remedies and ointments. Classified specifically under HTS 2836.99.20.00 as a carbonate of bismuth (inorganic base) per Chapter 28 note 2. Supplied as fine white microcrystalline powder.
Duty Rate — Mexico → United States
15.5%
Rate breakdown
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 FDA Drug Master File reference and COA showing >99% purity to prevent reclassification as mixtures
• Declare as 'chemically defined compound' explicitly; avoid generic 'chemical' descriptions that trigger additional scrutiny
• Comply with TSCA import certification; watch for REACH compliance if transshipping from EU