Carbonyl sulfide

Carbonyl sulfide is the chemical compound with the linear formula OCS.

Carbonyl sulfide structure

Carbonyl sulfide

Names
IUPAC names Carbon oxide sulfide[source?] Carbonyl sulfide[1] Oxidosulfidocarbon[1]
Identifiers
CAS Number	463-58-1 Y
3D model (JSmol)	Interactive image
ChEBI	CHEBI:16573 Y
ChemSpider	9644 Y
ECHA InfoCard	100.006.674
EC Number	207-340-0
KEGG	C07331 Y
PubChem CID	10039
UNII	871UI0ET21 Y
UN number	2204
CompTox Dashboard (EPA)	DTXSID6023949
SMILES O=C=S
Properties
Chemical formula	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)
Solubility in water	0.376 g/100 mL (0 °C) 0.125 g/100 mL (25 °C)
Solubility	very soluble in KOH, CS2 soluble in alcohol, toluene
Magnetic susceptibility (χ)	-32.4·10−6 cm3/mol
Dipole moment	0.65 D
Thermochemistry
Std enthalpy of formation ΔfHo298	-141.8 kJ/mol
Standard molar entropy So298	231.5 J/mol K
Specific heat capacity, C	41.5 J/mol K
Hazards
NFPA 704	4 3 1
Explosive limits	12-29%
Related compounds
Related compounds	{{{value}}}
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N verify (what is YN ?)
Infobox references

Further reading

• 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.