Used as a strong alkaline cleaning agent in industrial and commercial settings, particularly in drain and oven cleaners due to its ability to dissolve grease and oils. Commonly employed in the production of soaps and detergents through saponification of fats. Utilized in food processing, such as peeling fruits and vegetables or processing cocoa and chocolate. Plays a key role in the manufacturing of potassium-based chemicals and fertilizers. Found in electrolytes for batteries, especially alkaline and nickel-cadmium batteries. Also used in water treatment to adjust pH and neutralize acidic streams.