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]
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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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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
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