Sulfur dioxide (also called sulphur dioxide, Sulfurous anhydride) has the formula O2S and a molar mass of 64.07 g/mol. The model above is PubChem's computed 3D conformer: drag to rotate, scroll to zoom, and use the measurement tools to read bond lengths and angles.
Explore in 3D Space-filling model PubChem
| IUPAC name | sulfur dioxide |
|---|---|
| SMILES | O=S=O |
| PubChem CID | 1119 |
| Other names | sulphur dioxide, Sulfurous anhydride, Sulfurous oxide, Fermenicide liquid, Sulfurous acid anhydride |
Atoms use the standard CPK colors: carbon gray, hydrogen white, oxygen red, nitrogen blue, sulfur yellow. Switch to Spacefill to see the molecule's overall shape and size, or Stick for a clear view of the bonds. Click two atoms in distance mode to measure a bond length in ångströms.
3D coordinates are PubChem's computed conformer, one low-energy shape of the molecule. Flexible molecules can take many other shapes.