Registration Dossier

Physical & Chemical properties

Endpoint summary

Administrative data

Description of key information

Additional information

Sulfur dioxide is a colourless, inorganic gas with biting odour.

The melting point of sulphur dioxide is -75.5°C, the boiling point of sulphur dioxide is -10.05°C.

Density of sulphur dioxide: 2.51 g/L at 25°C

Vapour pressure: 3271 hPa at 20°C

The solubility of sulphur dioxide in water at 101.3 kPa is 22.86 g/100 G (0°C), and 11.4 g/100 g (20°C).