Properties of krypton
Thermophysical properties for krypton (CAS: 7439-90-9). 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
- AtomsKr: 1
- CAS7439-90-9
- FormulaKr
- ID7439-90-9
- InChIKr
- InChI KeyDNNSSWSSYDEUBZ-UHFFFAOYSA-N
- IUPAC Namekrypton
- Molecular Weight (kg)83.798
- Phaseg
- PubChem ID5416
- SMILES[Kr]
- Synonyms
Physical Properties
- Acentric factor-8.9400e-4
- Critical pressure (bar)55.25
- Critical temperature (°C)-63.67
- Critical volume (m³/kmol)0.0921659
- Dipole moment0
- Melting temperature (°C)-157.37
- Normal boiling temperature (°C)-153.415
State-dependent Properties
- Compressibility factor1
- Density (kg/m³)3.42516
- Dynamic viscosity (cP)0.0253405
- Enthalpy of vaporization (mass) (kJ)0
- Enthalpy of vaporization (molar) (kJ/kmol)0
- Gibbs free energy (kJ/kmol)0
- Joule–Thomson coefficient4.2132e-13
- Kinematic viscosity7.3983e-6
- Molar enthalpy (kJ/kmol)0
- Molar entropy (kJ/(kmol·K))0
- Molar heat capacity (kJ/(kmol·K))20.7861
- Molar volume (m³/kmol)24.4654
- Parachor
- Poynting correction factor
- Prandtl number0.654644
- Saturation pressure (bar)552.379
- Saturation temperature (°C)-153.415
- Solubility parameter
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity2.8918
- Specific heat capacity (kJ/kg·K)0.248051
- Surface tension0
- Thermal conductivity0.00960175
- Thermal diffusivity1.1301e-5
Safety Properties
- Autoignition temperature (°C)-273.15
- Flash point temperature (°C)-273.15
- Lower flammability limit
- Upper flammability limit0.235
Environmental Properties
- Global warming potential
- Ozone depletion potential
Failed Properties:
- API gravityFailed