Properties of potassium nitrate
Thermophysical properties for potassium nitrate (CAS: 7757-79-1). 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
- AtomsK: 1, N: 1, O: 3
- CAS7757-79-1
- FormulaKNO3
- ID7757-79-1
- InChIK.NO3/c;2-1(3)4/q+1;-1
- InChI KeyFGIUAXJPYTZDNR-UHFFFAOYSA-N
- IUPAC Namepotassium;nitrate
- Molecular Weight (kg)101.103
- Phases
- PubChem ID2.4434e+4
- SMILESO=[N+]([O-])[O-].[K+]
- Synonyms
Physical Properties
- Acentric factor
- Critical pressure (bar)0
- Critical temperature (°C)-273.15
- Critical volume (m³/kmol)0
- Dipole moment
- Melting temperature (°C)334
- Normal boiling temperature (°C)400
State-dependent Properties
- Compressibility factor0.00196318
- Density (kg/m³)2105
- Dynamic viscosity (cP)0
- Enthalpy of vaporization (mass) (kJ)0
- Enthalpy of vaporization (molar) (kJ/kmol)
- 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))120.499
- Molar volume (m³/kmol)0.0480299
- Parachor
- Poynting correction factor
- Prandtl number
- Saturation pressure (bar)0
- Solubility parameter
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity2.10708
- Specific heat capacity (kJ/kg·K)1.19184
- Surface tension
- 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
Failed Properties:
- API gravityFailed
- Saturation temperature (°C)Failed