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, particularly in cocoa and chocolate production, to regulate acidity. Utilized in agriculture as a component in fertilizer blends to supply potassium, promoting plant growth and disease resistance. Also applied in the synthesis of other potassium compounds and in certain dyeing processes in the textile industry.