Molecular formula: Na2HPO4.XH2O(X=0,12) Molecular weight: 358.0 Voluntary Standard: HG/T2767-1996 Properties: White powder, ... moist air.Uses:Used as fire retardant of textile, wood, and paper, water softening agent of boiler, dyeing agent, buffering agent, glaze ... , and binder. Packing and storage: In double layer bags of net weight of 25 Kg or 50 Kg, store at a cool, dry ...