Back كبريتيد الكربونيل Arabic کربونیل سولفید AZB Karbonil-sulfid BS Sulfur de carbonil Catalan Karbonylsulfid Czech Carbonylsulfid German Karbonila sulfido Esperanto Sulfuro de carbonilo Spanish کربونیل سولفید Persian Karbonyylisulfidi Finnish

Carbonyl sulfide

Carbonyl sulfide
Carbonyl sulfide
Space-filling 3D model of carbonyl sulfide
Names
IUPAC names
Carbonyl sulfide[1]
Oxidosulfidocarbon[1]
Systematic IUPAC name
Thioxomethanone
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.006.674 Edit this at Wikidata
EC Number
  • 207-340-0
KEGG
UNII
UN number 2204
  • InChI=1S/COS/c2-1-3 checkY
    Key: JJWKPURADFRFRB-UHFFFAOYSA-N checkY
  • InChI=1/COS/c2-1-3
    Key: JJWKPURADFRFRB-UHFFFAOYAF
  • O=C=S
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
41.5 J/(mol⋅K)
231.5 J/(mol⋅K)
−141.8 kJ/mol
Hazards
GHS labelling:
GHS02: FlammableGHS04: Compressed GasGHS06: ToxicGHS07: Exclamation mark
Danger
H220, H280, H315, H319, H331, H335
P210, P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P311, P312, P321, P332+P313, P337+P313, P362, P377, P381, P403, P403+P233, P405, P410+P403, P501
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 3: Short exposure could cause serious temporary or residual injury. E.g. chlorine gasFlammability 4: Will rapidly or completely vaporize at normal atmospheric pressure and temperature, or is readily dispersed in air and will burn readily. Flash point below 23 °C (73 °F). E.g. propaneInstability 1: Normally stable, but can become unstable at elevated temperatures and pressures. E.g. calciumSpecial hazards (white): no code
3
4
1
Explosive limits 12–29%
Safety data sheet (SDS) Carbonyl sulfide MSDS
Related compounds
Related compounds
 Carbon dioxide
Carbon disulfide
Carbonyl selenide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
☒N verify (what is checkY☒N ?)

Carbonyl sulfide is the chemical compound with the linear formula O=C=S. It is a colorless flammable gas with an unpleasant odor.[not verified in body] It is a linear molecule consisting of a carbonyl double bonded to a sulfur atom. Carbonyl sulfide can be considered to be intermediate between carbon dioxide and carbon disulfide, both of which are valence isoelectronic with it.

  1. ^ a b 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.

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