Properties of phosphine (PH3)
Thermophysical properties for phosphine (PH3) (CAS: 7803-51-2). 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
- AtomsH: 3, P: 1
- CAS7803-51-2
- FormulaH3P
- ID7803-51-2
- InChIH3P/h1H3
- InChI KeyXYFCBTPGUUZFHI-UHFFFAOYSA-N
- IUPAC Namephosphane
- Molecular Weight (kg)33.9976
- Phaseg
- PubChem ID2.4404e+4
- SMILESP
- Synonyms
Physical Properties
- Acentric factor0.0452
- Critical pressure (bar)65.3546
- Critical temperature (°C)51.65
- Critical volume (m³/kmol)0.113
- Dipole moment0.58
- Melting temperature (°C)-133.8
- Normal boiling temperature (°C)-87.75
State-dependent Properties
- API gravity110.18
- Compressibility factor1
- Density (kg/m³)1.38962
- Dynamic viscosity (cP)0.0125261
- Enthalpy of vaporization (mass) (kJ)240.952
- Enthalpy of vaporization (molar) (kJ/kmol)8191.77
- Gibbs free energy (kJ/kmol)0
- Joule–Thomson coefficient2.3601e-13
- Kinematic viscosity9.0140e-6
- Molar enthalpy (kJ/kmol)0
- Molar entropy (kJ/(kmol·K))0
- Molar heat capacity (kJ/(kmol·K))37.1068
- Molar volume (m³/kmol)24.4654
- Parachor1.4126e-5
- Poynting correction factor0.921474
- Prandtl number0.722218
- Saturation pressure (bar)33.9573
- Saturation temperature (°C)-87.7388
- Solubility parameter9635.02
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity1.17323
- Specific heat capacity (kJ/kg·K)1.09145
- Surface tension0.00274887
- Thermal conductivity0.01893
- Thermal diffusivity1.2481e-5
Safety Properties
- Autoignition temperature (°C)-273.15
- Flash point temperature (°C)-273.15
- Lower flammability limit0.0179
- Upper flammability limit0.168227
Environmental Properties
- Global warming potential
- Ozone depletion potential