Properties of carbon monoxide
Thermophysical properties for carbon monoxide (CAS: 630-08-0). Use the selector below to view properties in different unit systems.
Calculation Conditions
The following state-dependent properties were calculated at these standard conditions.
Temperature
25 °C
Pressure
1.01325 bar
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Open CalculatorIdentification
- AtomsC: 1, O: 1
- CAS630-08-0
- FormulaCO
- ID630-08-0
- InChICO/c1-2
- InChI KeyUGFAIRIUMAVXCW-UHFFFAOYSA-N
- IUPAC Namecarbon monoxide
- Molecular Weight (kg)28.0101
- Phaseg
- PubChem ID281
- SMILES[C-]#[O+]
- Synonyms
Physical Properties
- Acentric factor0.0497
- Critical pressure (bar)34.94
- Critical temperature (°C)-140.29
- Critical volume (m³/kmol)0.0921659
- Dipole moment0.11
- Melting temperature (°C)-205
- Normal boiling temperature (°C)-191.512
State-dependent Properties
- Compressibility factor1
- Density (kg/m³)1.14489
- Dynamic viscosity (cP)0.0177679
- Enthalpy of vaporization (mass) (kJ)0
- Enthalpy of vaporization (molar) (kJ/kmol)0
- Gibbs free energy (kJ/kmol)0
- Joule–Thomson coefficient3.0055e-13
- Kinematic viscosity1.5519e-5
- Molar enthalpy (kJ/kmol)0
- Molar entropy (kJ/(kmol·K))0
- Molar heat capacity (kJ/(kmol·K))29.1388
- Molar volume (m³/kmol)24.4654
- Parachor
- Poynting correction factor
- Prandtl number0.690479
- Saturation pressure (bar)1.2449e+6
- Saturation temperature (°C)-191.512
- Solubility parameter
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity0.966605
- Specific heat capacity (kJ/kg·K)1.0403
- Surface tension0
- Thermal conductivity0.0267696
- Thermal diffusivity2.2476e-5
Safety Properties
- Autoignition temperature (°C)607
- Flash point temperature (°C)-273.15
- Lower flammability limit0.109
- Upper flammability limit0.74
Environmental Properties
- Global warming potential
- Ozone depletion potential
Failed Properties:
- API gravityFailed