Used as a buffering agent in various pharmaceutical formulations to maintain pH stability, ensuring the efficacy and shelf life of medications. It is also employed in the food industry as a nutrient supplement and pH regulator, particularly in dairy products and beverages. In microbiology, it serves as a component of culture media, supporting the growth of microorganisms. Additionally, it is utilized in water treatment processes to control corrosion and scale formation in pipes and boilers. In agriculture, it acts as a fertilizer to provide essential phosphorus and potassium nutrients to plants, promoting healthy growth and development.