Xenon hexafluoride Other names Hexofluoroxenon Identifiers CAS number: 13693-09-9: Properties Molecular formula: Xe F 6: Molar mass: 245.28 g mol-1: Density: 3.56 g cm-3: Melting point: 49.25 °C Boiling point: 75.6 °C Solubility in water reacts with water