Used extensively in the production of soaps and detergents, it acts as a saponifying agent to convert fats and oils into soap. In the chemical industry, it serves as a key ingredient in the manufacture of potassium carbonate, potassium phosphates, and other potassium compounds. It is employed in the food industry as a pH regulator, stabilizer, and thickening agent, particularly in cocoa and chocolate processing. In agriculture, it is used as a fertilizer to provide potassium, an essential nutrient for plant growth. It plays a critical role in battery production, especially in alkaline batteries, where it functions as the electrolyte. In the petroleum industry, it is utilized to remove acidic impurities from natural gas and refine petroleum products. It is also used in water treatment processes to adjust pH levels and neutralize acidic water. In the pharmaceutical sector, it is involved in the synthesis of various drugs and as a chemical reagent in laboratories. Additionally, it is applied in the cleaning and degreasing of metals and surfaces due to its strong alkaline properties.