Formula: Na5P3O10 CAS No.: 7758-29-4 pH: 9.9 (10 g/l, H2O, 20°C) Solubility: 150 g/l (20°C) Melting Point: 622°C (decomposition) Molar Mass: 367.86 g/mol Bulk Density: 500 kg/m3 Vapor Pressure: Density: 2.52 g/cm3 (20°C) Hill Formula: Na5O10P3