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Carbonyl sulfide
chemical compound / From Wikipedia, the free encyclopedia
Carbonyl sulfide is the chemical compound with the linear formula OCS.
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Quick Facts Names, Identifiers ...
Names | ||
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IUPAC names | ||
Identifiers | ||
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3D model (JSmol) |
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ChEBI | ||
ChemSpider |
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ECHA InfoCard | 100.006.674 | |
EC Number |
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KEGG |
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PubChem CID |
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UNII | ||
UN number | 2204 | |
CompTox Dashboard (EPA) |
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SMILES
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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% | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | ||
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