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, where it lowers the melting point of silica and improves clarity. Serves as a buffering agent in food processing, especially in cocoa and chocolate products to regulate acidity. Utilized in agriculture as a component in fertilizer blends to supply potassium, supporting plant growth and disease resistance. Also acts as a drying agent in laboratories and is involved in the synthesis of other potassium compounds.