Trisodium phosphate also  known as sodium phosphate,commercially known as sodium phosphate,performance characteristics:colorless acicular crystal hexagonal crystalsystem.soluble in water,insoluble in organic solvents relative density1.62:melting point 73.3-76.7;in drier air.loses12crystal water on the 100 and produce anhydrous.Aqueous alkaline skin has some erosion.in the industrial grade is mainly used in water softening agent,boiler cleaning and detergents,non-metallic and fabric mercerization additives,food gradesas quality improver,emulsifier,nutritional supplements,pasta of ,etc,