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Physical Properties for Carbon Monoxide

Carbon Monoxide
Formula CO
Molecular Weight (lb/mol) 28.01
Critical Temp. (°F) -220.4
Critical Pressure (psia) 485.6
Boiling Point (°F) -312.7
Melting Point (°F) -337.1
Psat @ 70°F (psia) (note 1)
Liquid Density @ 70°F (lb/ft3) (note 1)
Gas Density @ 70°F 1 atm (lb/ft3) 0.0725
Specific Volume @ 70°F 1 atm (ft3/lb) 13.80
Specific Gravity 0.985
Specific Heat @ 70°F (Btu/lbmol-°F) 6.97

1 = Signifies at 70°F, the compound is above its critical temperature.
2 = Signifies that at 70°F, the compound is below the normal boiling point and only the equilibrium vapor is present at 1 atmosphere.

Gas Physical Properties

Gas Fast Facts


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