Chemical name of Disodium Phosphate : Disodium Phosphate anhydrous Chemical formula of Disodium Phosphate : Na2HPO4 CAS NO. of Disodium Phosphate: 7758-79-4 Molecular weight of Disodium Phosphate : 141.96 Properties of Disodium Phosphate: White or colorless crystalline free flowing solid, efflorescent in air, easily soluble in water, but insoluble in alcohol, its water solution is slightly alkaline, relative density at 1.63, it`s crystal with 12 H2O melting point at 34.6°C. web:http://www.modernphos.net/product/disodium-phosphate