Chemistry:Trisulfane

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Trisulfane
H2S3+metrics.png
Names
Systematic IUPAC name
Trisulfane[1]
Identifiers
3D model (JSmol)
3903006
ChEBI
ChEMBL
ChemSpider
25473
Properties
H2S3
Molar mass 98.20 g·mol−1
Appearance yellow liquid
Density 1.495 g cm−3(15 °C)[2]
Melting point −53 °C (−63 °F; 220 K)
Boiling point 170 °C (338 °F; 443 K)
low
log P 1.237
Acidity (pKa) 5.826
Basicity (pKb) 8.171
Related compounds
Related compounds
disulfane
hydrogen sulfide
polysulfides
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references
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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]

References

  1. "trisulfane (CHEBI:50365)". Chemical Entities of Biological Interest (ChEBI). UK: European Bioinformatics Institute. 18 August 2008. Main. https://www.ebi.ac.uk/chebi/searchId.do?chebiId=50365. 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 H2Sn 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