Trisulfane

Trisulfane
Names
	Systematic IUPAC name Trisulfane
Identifiers
CAS Number	13845-23-3 ;
3D model (JSmol)	Interactive image;
Beilstein Reference	3903006
ChEBI	CHEBI:50365 ;
ChEMBL	ChEMBL1235793 ;
ChemSpider	145860 ;
Gmelin Reference	25473
PubChem CID	166718;
CompTox Dashboard (EPA)	DTXSID80925328 ;
	InChI InChI=1S/H2S3/c1-3-2/h1-2H Key: KBMBVTRWEAAZEY-UHFFFAOYSA-N ;
	SMILES SSS;
Properties
Chemical formula	H2S3
Molar mass	98.20 g·mol−1
Appearance	yellow liquid
Density	1.495 g/cm3 (15 °C)
Melting point	−53 °C (−63 °F; 220 K)
Boiling point	170 °C (338 °F; 443 K)
Solubility in water	low
log P	1.237
Acidity (pKa)	5.826
Basicity (pKb)	8.171
Related compounds
Related compounds	Hydrogen sulfide; Disulfane; Polysulfides;
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Trisulfane is the inorganic compound with the formula H₂S₃. It is a pale yellow volatile liquid with a camphor-like odor. It decomposes readily to hydrogen sulfide (H₂S) and elemental sulfur. It is produced by distillation of the polysulfane oil obtained by acidification of polysulfide salts.

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