Colorless or white crystalline granule or crystalline powder odorless;taste salty and cold, soluble in water 1,Formula: C6H5Na3O7·2H2O2,Formula wt: dihydrate 294.103,CAS: dihydrate [6132-04-3]4,Specificity: Colorless or white crystalline granule or crystalline powder odorless; taste salty and cold, soluble in water, difficulty in ethanol; slightly deliquescence in moist air,pH7.5-9 in 5% aqueous ...