CAS NO:7601-54-9 Trisodium Phosphate TSP 98%min Anhydrous Executive Standard: HG/T2517-93 Molecular Formula: Na3PO4 MW: 380.14 Character: 1.White or colorless crystals or powder; 2.It is efflorescent in air and easily soluble in water but it is not soluble in organic solution; 3. Its water solution is alkaline; 4.PH value of 1% solution is 12.1; 5.the relative density is 1.62, and melting point is 73.4