Used in water treatment to prevent scale formation and corrosion by sequestering metal ions such as calcium and magnesium. Acts as a dispersing agent in detergents, helping to suspend dirt and prevent redeposition on surfaces. Employed in food industry as an emulsifier and buffering agent, particularly in processed cheeses and canned products. Utilized in industrial cleaning formulations for its ability to soften water and enhance cleaning efficiency. Also found in some dental and oral care products for its tartar control properties.