Potassium Bicarbonate USP Grade from Mexico
Pharmaceutical-grade potassium hydrogencarbonate (potassium bicarbonate) used as an antacid to neutralize stomach acid and treat heartburn. It falls under HTS 2836.40.20.00 as a chemically defined potassium carbonate, specifically the hydrogencarbonate form, meeting Chapter 28 note requirements for inorganic compounds. Packaged in bulk for compounding pharmacies.
Duty Rate — Mexico → United States
11.3%
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
• Verify USP certification and provide Certificate of Analysis for FDA compliance; ensure COA confirms purity >99% to avoid reclassification; watch for moisture-proof packaging to prevent degradation during shipping