Trisodium phosphate, an inorganic compound, appears as colorless crystals at room temperature, is easily soluble in water, and has an alkaline property. It is commonly used in industries such as chemicals, metallurgy, and papermaking, serving as a flux, zinc electroplating additive, boiler water treatment agent, and in the production of fertilizers. It is also frequently used in laboratories for preparing buffer solutions, detergents, and the like.