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, pH buffer, stabilizer, and moisture retainer, particularly in processed cheeses, canned products, meats, and fish products to improve texture and extend shelf life. Utilized in cleaning formulations for industrial and household applications due to its ability to soften water and enhance cleaning efficiency. Also used in textile and leather industries for pH control and uniform dyeing processes. Found in dental and oral care products, including toothpaste for tartar control and impression materials to control setting.