Used in water treatment to control scaling and corrosion in industrial cooling systems by sequestering metal ions and preventing deposit formation. Commonly applied in boiler water treatment to inhibit calcium and magnesium precipitation. Employed in detergents and cleaning agents for its ability to soften water and enhance cleaning efficiency. Utilized in agriculture as a component in fertilizer formulations to supply bioavailable phosphorus for plant growth. Also found in some food and beverage processes as a buffering agent and nutrient source in fermentation.