Used in the production of potassium-based soaps and detergents due to its strong alkaline nature. Commonly employed in the manufacturing of batteries, especially alkaline batteries, where it acts as an electrolyte. Plays a key role in the food industry for washing or chemical peeling of fruits and vegetables. Utilized in pH control and neutralization processes in various industrial applications. Also involved in the synthesis of biodiesel as a catalyst for transesterification of fats and oils. Widely used in laboratories for titrations and qualitative analysis.