Melting point 462 °C Boiling point 925°C density 1.43 storage temp. Store at R.T. solubility water: soluble71g/L at 20°C form Solid Specific Gravity 2.54 color White to light yellow PH 12 (50g/l, H2O, 50℃) Water Solubility 113 g/L (20 ºC) Sensitive Air Sensitive & Hygroscopic Merck 14,5534 Stability: Stable. Incompatible with moisture. strong acids, carbon dioxide.