Properties of phosphinic acid
Thermophysical properties for phosphinic acid (CAS: 6303-21-5). 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
Need properties at a different state? Use our interactive calculator.
Open CalculatorIdentification
- AtomsH: 1, O: 2, P: 1
- CAS6303-21-5
- FormulaHO2P
- ID6303-21-5
- InChIHO2P/c1-3-2/h(H,1,2)
- InChI KeyGQZXNSPRSGFJLY-UHFFFAOYSA-N
- IUPAC Namephosphenous acid
- Molecular Weight (kg)63.9805
- Phases
- PubChem ID2.2497e+4
- SMILESO=PO
- Synonyms
Physical Properties
- Acentric factor0.498611
- Critical pressure (bar)89.73
- Critical temperature (°C)354.5
- Critical volume (m³/kmol)0.15237
- Dipole moment1.8637
- Melting temperature (°C)26.5
- Normal boiling temperature (°C)130
State-dependent Properties
- API gravity-33.6397
- Compressibility factor0.00161531
- Density (kg/m³)1618.97
- Dynamic viscosity (cP)0
- Enthalpy of vaporization (mass) (kJ)814.4
- Enthalpy of vaporization (molar) (kJ/kmol)5.2106e+4
- Gibbs free energy (kJ/kmol)0
- Joule–Thomson coefficient
- Kinematic viscosity
- Molar enthalpy (kJ/kmol)0
- Molar entropy (kJ/(kmol·K))0
- Molar heat capacity (kJ/(kmol·K))38.7399
- Molar volume (m³/kmol)0.0395193
- Parachor2.2149e-5
- Poynting correction factor1.0018
- Prandtl number
- Saturation pressure (bar)0.00518363
- Saturation temperature (°C)132.081
- Solubility parameter3.3473e+4
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity1.62056
- Specific heat capacity (kJ/kg·K)0.605495
- Surface tension0.0620871
- Thermal conductivity
- Thermal diffusivity
Safety Properties
- Autoignition temperature (°C)-273.15
- Flash point temperature (°C)-273.15
- Lower flammability limit0.133998
- Upper flammability limit0.217159
Environmental Properties
- Global warming potential
- Ozone depletion potential