Used in the production of soap and detergents due to its ability to soften water and enhance cleaning efficiency. Commonly applied in the manufacturing of glass, where it acts as a flux to lower the melting point of silica. Employed in agriculture as a component in fertilizer formulations to supply potassium, an essential nutrient for plant growth. Utilized in food processing as a buffering agent and stabilizer, particularly in cocoa and chocolate production. Also serves in the synthesis of other potassium compounds and in pH control in various industrial processes.