Molecular formula:(NaPO3)6 Molecular weight:611.82 Properties: Transparent glass-like powder or scaly solid , Relative Density is 2.484,high deliquescence in air , dissolve in water: 973.2g per 1L water at 20°C, PH of 1% solution is 5.5-6.5,not dissolve in organic solvent , hydrolyze to positive phosphate in neuter mediums. Quality index: Item