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Names | |
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Systematic IUPAC name
Trisulfane[1] | |
Identifiers | |
3D model (JSmol)
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3903006 | |
ChEBI | |
ChEMBL | |
ChemSpider | |
25473 | |
PubChem CID
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CompTox Dashboard (EPA)
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Properties | |
H2S3 | |
Molar mass | 98.20 g·mol−1 |
Appearance | yellow liquid |
Density | 1.495 g/cm3 (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
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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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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
[edit]- ^ "trisulfane (CHEBI:50365)". Chemical Entities of Biological Interest (ChEBI). UK: European Bioinformatics Institute. 18 August 2008. Main. Retrieved 27 September 2011.
- ^ 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.
- ^ 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