Chemical data page
This page provides supplementary chemical data on carbon monoxide.
Material safety data sheet
The handling of this chemical may incur notable safety precautions. It is highly recommended that you seek the material safety data sheet (MSDS) for this chemical from a reliable source such as SIRI, and follow its directions.
Structure and properties
Thermodynamic properties
Phase behavior
|
Triple point
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67.9 K (−205.1 °C), 15.35 kPa
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Critical point
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132.7 K (−140.3 °C), 3498 kPa, 11.1 mol/L (3.1×102 kg/m3)
|
Std enthalpy change of fusion, ΔfusHo
|
? kJ/mol
|
Std entropy change of fusion, ΔfusSo
|
? J/(mol K)
|
Std enthalpy change of vaporization, ΔvapHo
|
? kJ/mol
|
Std entropy change of vaporization, ΔvapSo
|
? J/(mol K)
|
Std enthalpy change of sublimation, ΔsubHo
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8 kJ/mol (at 51–68 K)
|
Std entropy change of sublimation, ΔsubSo
|
? J/(mol·K)
|
Solid properties
|
Std enthalpy change of formation, ΔfHosolid
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−110.5 kJ/mol
|
Standard molar entropy, Sosolid
|
? J/(mol K)
|
Heat capacity, cp
|
? J/(mol K)
|
Liquid properties
|
Std enthalpy change of formation, ΔfHoliquid
|
? kJ/mol
|
Standard molar entropy, Soliquid
|
? J/(mol K)
|
Heat capacity, cp
|
? J/(mol K)
|
Gas properties
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Std enthalpy change of formation, ΔfHogas
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−110.53 kJ/mol
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Std enthalpy change of combustion, ΔcHogas
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−283.0 kJ/mol
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Standard molar entropy, Sogas
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197.66 J/(mol K)
|
Heat capacity, cp
|
29 J/(mol K)
|
Spectral data
References