Trisulfane

Trisulfane

Names
Systematic IUPAC name Trisulfane[1]
Identifiers
CAS Number	13845-23-3 Y
3D model (JSmol)	Interactive image
Beilstein Reference	3903006
ChEBI	CHEBI:50365 Y
ChEMBL	ChEMBL1235793 N
ChemSpider	145860 Y
Gmelin Reference	25473
PubChem CID	166718
CompTox Dashboard (EPA)	DTXSID80925328
InChI InChI=1S/H2S3/c1-3-2/h1-2H Y Key: KBMBVTRWEAAZEY-UHFFFAOYSA-N Y
SMILES SSS
Properties
Chemical formula	H2S3
Molar mass	98.20 g·mol−1
Appearance	yellow liquid
Odor	camphor-like
Density	1.495 g/cm3 (15 °C)[2]
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 Polysulfane Polysulfides
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). N verify (what is YN ?) 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.^[3]

1. ^ "trisulfane (CHEBI:50365)". Chemical Entities of Biological Interest (ChEBI). UK: European Bioinformatics Institute. 18 August 2008. Main. Retrieved 27 September 2011.
2. ^ Feher, Franz; Baudler, Marianne. Chemistry of sulfur. III. The preparation and properties of hydrogen trisulfide. Zeitschrift für Anorganische Chemie, 1947. 254: 251-254. ISSN: 0372-7874.
3. ^ R. Steudel "Inorganic Polysulfanes H₂S_n with n > 1" in Elemental Sulfur and Sulfur-Rich Compounds II (Topics in Current Chemistry) 2003, Volume 231, pp 99-125. doi:10.1007/b13182

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