Used in food processing as an emulsifier and stabilizer, particularly in processed cheeses to improve texture and melting properties. Acts as a water conditioner in detergents, enhancing cleaning efficiency by softening hard water. Employed in metal surface treatment to remove oxides and prepare surfaces for coating. Utilized in drilling fluids to control flocculation and maintain viscosity. Serves as a dispersing agent in ceramic and pigment industries to prevent particle agglomeration. Also found in some toothpaste formulations to help reduce tartar buildup.