Properties of potassium chloride
Thermophysical properties for potassium chloride (CAS: 7447-40-7). 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
- AtomsCl: 1, K: 1
- CAS7447-40-7
- FormulaClK
- ID7447-40-7
- InChIClH.K/h1H;/q;+1/p-1
- InChI KeyWCUXLLCKKVVCTQ-UHFFFAOYSA-M
- IUPAC Namepotassium;chloride
- Molecular Weight (kg)74.5513
- Phases
- PubChem ID4873
- SMILES[Cl-].[K+]
- Synonyms
Physical Properties
- Acentric factor-0.1212
- Critical pressure (bar)180
- Critical temperature (°C)3196.85
- Critical volume (m³/kmol)0.625
- Dipole moment10.24
- Melting temperature (°C)771
- Normal boiling temperature (°C)1415.85
State-dependent Properties
- API gravity-38.9276
- Compressibility factor0.0015328
- Density (kg/m³)1988.01
- Dynamic viscosity (cP)0
- Enthalpy of vaporization (mass) (kJ)1153.77
- Enthalpy of vaporization (molar) (kJ/kmol)8.6015e+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))51.292
- Molar volume (m³/kmol)0.0375005
- Parachor3.0599e-5
- Poynting correction factor1.002
- Prandtl number
- Saturation pressure (bar)5.3595e-27
- Saturation temperature (°C)1402.17
- Solubility parameter4.1365e+4
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity1.98996
- Specific heat capacity (kJ/kg·K)0.688009
- Surface tension0.153079
- Thermal conductivity
- Thermal diffusivity
Safety Properties
- Autoignition temperature (°C)-273.15
- Flash point temperature (°C)-273.15
- Lower flammability limit
- Upper flammability limit
Environmental Properties
- Global warming potential
- Ozone depletion potential