Potassium Carbonates

Potassium carbonates — encompassing dipotassium carbonate (potash of commerce) and potassium bicarbonate — serve as alkalis in specialty glass production, cocoa processing, wine stabilization, and pharmaceutical formulations, distinguishing them from the higher-volume sodium carbonate market. The US schedule breaks this heading into three 10-digit lines: a combined line (2836400000), dipotassium carbonate (2836401000), and potassium bicarbonate (2836402000). South Korea leads US supply, followed by Taiwan and the United Kingdom, reflecting the concentration of specialty chemical production in East Asia and Europe. Food and pharmaceutical grades are subject to FDA admissibility review; importers should verify grade specifications and consult a licensed customs broker regarding applicable entry requirements.