Physical properties
- Colour: Colourless to slight yellow
- Odour: Odourless
- Boiling Point: 338°C (640°F)
- Melting Point: 10°C (50°F)
- Solubility: Soluble in water
- Vapour Pressure: 0.87 kPa at 25°C
- Molecular Weight: 98.08 g/mol
- Density: 1.84 g/mL
Chemical properties
- Oxidation State: +6
- pH: 1.2 – 2.0
- Ionization Energy: 9.8 eV
- Electro negativity: 2.2
- Heat of Formation: -845 kJ/mol
- Heat of Vaporization: 34.3 kJ/mol
- Reactivity: Strong acid, reacts with bases and metals to produce salts.