Disulfur dioxide

Disulfur dioxide
Names
	Other names disulfur(II)oxide; SO dimer
Identifiers
CAS Number	126885-21-0 ;
3D model (JSmol)	Interactive image;
PubChem CID	145835224;
	InChI InChI=1/O2S2/c1-3-4-2 Key: AXYLJRYHRATPSG-UHFFFAOYNA-N;
	SMILES O=[S][S]=O;
Properties
Chemical formula	S2O2
Molar mass	96.1299 g/mol
Appearance	gas
Structure
Coordination geometry	bent
Hazards
	Occupational safety and health (OHS/OSH):
Main hazards	toxic
Related compounds
Related compounds	tetrasulfur; SO,; S3O; S2O
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Disulfur dioxide, dimeric sulfur monoxide or SO dimer is an oxide of sulfur with the formula S₂O₂. The solid is unstable with a lifetime of a few seconds at room temperature.