Properties of potassium iodide
Thermophysical properties for potassium iodide (CAS: 7681-11-0). 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
- AtomsI: 1, K: 1
- CAS7681-11-0
- FormulaIK
- ID7681-11-0
- InChIHI.K/h1H;/q;+1/p-1
- InChI KeyNLKNQRATVPKPDG-UHFFFAOYSA-M
- IUPAC Namepotassium;iodide
- Molecular Weight (kg)166.003
- Phases
- PubChem ID4875
- SMILES[K+].[I-]
- Synonyms
Physical Properties
- Acentric factor-0.4198
- Critical pressure (bar)97.3
- Critical temperature (°C)545.85
- Critical volume (m³/kmol)0.155
- Dipole moment
- Melting temperature (°C)681
- Normal boiling temperature (°C)1323
State-dependent Properties
- API gravity-73.7562
- Compressibility factor0.00217475
- Density (kg/m³)3120
- Dynamic viscosity (cP)0
- Enthalpy of vaporization (mass) (kJ)51.119
- Enthalpy of vaporization (molar) (kJ/kmol)8485.89
- 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))52.7687
- Molar volume (m³/kmol)0.0532061
- Parachor3.0590e-5
- Poynting correction factor1.00278
- Prandtl number
- Saturation pressure (bar)6.5053e-24
- Saturation temperature (°C)1323.85
- Solubility parameter9411.98
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity3.12307
- Specific heat capacity (kJ/kg·K)0.317878
- Surface tension0.0409595
- 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