User:Trollinside/draft3
| Sulphur dioxide | |
|---|---|
 
| |
| General | |
| Systematic name | |
| Other names | sulfur(IV) oxide; sulfurous anhydride |
| Molecular formula | SO2 |
| SMILES | S(=O)=O |
| Molar mass | 64,06 g/mol |
| Appearance | colourless gas, pungent odour |
| CAS number | 7446-09-5 |
| Properties | |
| Density and phase | |
| Solubility in water | 112,7 g/l (water, 20°C) |
| Melting point | -75.5°C |
| Boiling point | -10.0°C |
| Acidity (pKa) | |
| Basicity (pKb) | |
| Chiral rotation [α]D | ?° |
| Viscosity | |
| Structure | |
| Molecular shape | ? |
| Coordination geometry |
? |
| Crystal structure | ? |
| Dipole moment | ? D |
| Hazards | |
| MSDS | External MSDS |
| Main hazards | ? |
| NFPA 704 | |
| Flash point | |
| R/S statement | R: 23, 34 S: 1/2, 9, 26, 36/37/39, 45 |
| RTECS number | |
| Supplementary data page | |
| Structure and properties |
n, εr, etc. |
| Thermodynamic data |
Phase behaviour Solid, liquid, gas |
| Spectral data | UV, IR, NMR, MS |
| Related compounds | |
| Other anions | |
| Other cations | |
| Related ? | ? |
| Related compounds | |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references | |
Sulfur dioxide (also sulphur dioxide) is the chemical compound with the formula SO2. SO2 is produced by volcanoes and in various industrial processes. It is also used to protect wine fron dioxygen and bacteria.
Wikimedia Commons has media related to sulfur dioxide.