It is widely used in the food industry as a buffering agent, emulsifier, and nutrient supplement. In beverages, it helps stabilize pH levels and enhance flavor. It also serves as a source of phosphorus in fertilizers, promoting plant growth. In pharmaceuticals, it acts as an excipient in tablets and capsules to control drug release. Additionally, it is utilized in water treatment to prevent corrosion and scaling in pipes. Its role in biochemical research includes preparing buffer solutions for maintaining stable pH in experiments.