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 like TV and computer screens, where it helps lower melting temperature and improve clarity. Serves as a buffering agent in the food industry, regulating acidity in products such as cocoa and instant coffee. Utilized in agriculture as a component in fertilizer blends to supply potassium, promoting plant growth and disease resistance. Also acts as an essential reagent in laboratories for pH control and in organic synthesis as a mild base.