Used in the production of soaps and detergents due to its strong ability to saponify fats and oils. Commonly employed in alkaline batteries as an electrolyte, especially in nickel-cadmium and nickel-metal hydride types. Plays a key role in the manufacturing of potassium salts and in pH control for industrial processes. Utilized in food processing, such as in washing or peeling fruits and vegetables, and as a stabilizer or thickening agent. Important in the chemical synthesis of various organic and inorganic compounds, including fertilizers and pharmaceuticals. Also used in water treatment to adjust pH and neutralize acidic streams.