Used as a strong alkaline cleaning agent in industrial and commercial settings, especially in drain cleaners and degreasers due to its ability to dissolve fats and oils. Commonly employed in the production of soaps and detergents through saponification of fats. Utilized in the chemical industry as a reagent for pH control and neutralization processes. Plays a key role in the manufacture of potassium-based chemicals and fertilizers. Applied in food processing, such as in washing or peeling fruits and vegetables, and as a pH adjuster in food products. Also used in batteries, particularly alkaline batteries, as an electrolyte.