Carbonyl sulfide
chemical compound
Carbonyl sulfide is the chemical compound with the linear formula OCS.
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3D model (JSmol)
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| ChemSpider | ||
| ECHA InfoCard | 100.006.674 | |
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PubChem CID
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| UNII | ||
| UN number | 2204 | |
CompTox Dashboard (EPA)
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| Properties | ||
| COS | ||
| Molar mass | 60.075 g/mol | |
| Appearance | colorless gas | |
| Odor | sulfide-like | |
| Density | 2.51 g/L | |
| Melting point | −138.8 °C (−217.8 °F; 134.3 K) | |
| Boiling point | −50.2 °C (−58.4 °F; 223.0 K) | |
| 0.376 g/100 mL (0 °C) 0.125 g/100 mL (25 °C) | ||
| Solubility | very soluble in KOH, CS2 soluble in alcohol, toluene | |
| -32.4·10−6 cm3/mol | ||
| 0.65 D | ||
| Thermochemistry | ||
| Std enthalpy of formation ΔfH |
-141.8 kJ/mol | |
| Standard molar entropy S |
231.5 J/mol K | |
| Specific heat capacity, C | 41.5 J/mol K | |
| Hazards | ||
| NFPA 704 |
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| Explosive limits | 12-29% | |
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| Related compounds | {{{value}}} | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | ||
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Further reading
change- Beck, M. T.; Kauffman, G. B. (1985). "COS and C3S2: The Discovery and Chemistry of Two Important Inorganic Sulfur Compounds". Polyhedron. 4 (5): 775–781. doi:10.1016/S0277-5387(00)87025-4.
- J. Elliott Campbell; Jürgen Kesselmeier; Dan Yakir; Joe A. Berry; Philippe Peylin; Sauveur Belviso; Timo Vesala; Kadmiel Maseyk; Ulrike Seibt; Huilin Chen; Mary E. Whelan; Timothy W. Hilton; Stephen A. Montzka; Max B. Berkelhammer; Sinikka T. Lennartz; Le Kuai; Georg Wohlfahrt; Yuting Wang; Nicola J. Blake; Donald R. Blake; James Stinecipher; Ian Baker; Stephen Sitch (2017). "Assessing a New Clue to How Much Carbon Plants Take Up". EOS. 98. doi:10.1029/2017EO075313.
- Svoronos P. D. N.; Bruno T. J. (2002). "Carbonyl sulfide: A review of its chemistry and properties". Industrial & Engineering Chemistry Research. 41 (22): 5321–5336. doi:10.1021/ie020365n.
References
change- ↑ 1.0 1.1 International Union of Pure and Applied Chemistry (2005). Nomenclature of Inorganic Chemistry (IUPAC Recommendations 2005). Cambridge (UK): RSC–IUPAC. ISBN 0-85404-438-8. p. 292. Electronic version.
