Used in the production of soap and detergents due to its ability to soften water and enhance cleaning efficiency. Commonly employed in the manufacturing of glass, especially specialty glasses, where it acts as a flux to lower melting temperature. Serves as a buffering agent in food processing, helping regulate pH in products like cocoa and chocolate. Utilized in agriculture as a component in fertilizer blends to supply potassium, an essential plant nutrient. Also functions as an intermediate in the synthesis of other potassium compounds and in the pharmaceutical industry for drug formulation.