Properties of ammonia
Thermophysical properties for ammonia (CAS: 7664-41-7). 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
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Open CalculatorIdentification
- AtomsH: 3, N: 1
- CAS7664-41-7
- FormulaH3N
- ID7664-41-7
- InChIH3N/h1H3
- InChI KeyQGZKDVFQNNGYKY-UHFFFAOYSA-N
- IUPAC Nameazane
- Molecular Weight (kg)17.0305
- Phaseg
- PubChem ID222
- SMILESN
- Synonyms
Physical Properties
- Acentric factor0.256
- Critical pressure (bar)113.634
- Critical temperature (°C)132.41
- Critical volume (m³/kmol)0.073014
- Dipole moment1.47
- Melting temperature (°C)-77.7
- Normal boiling temperature (°C)-33.3157
State-dependent Properties
- Compressibility factor1
- Density (kg/m³)0.696106
- Dynamic viscosity (cP)0.0100878
- Enthalpy of vaporization (mass) (kJ)1165.82
- Enthalpy of vaporization (molar) (kJ/kmol)1.9854e+4
- Gibbs free energy (kJ/kmol)0
- Joule–Thomson coefficient2.4642e-13
- Kinematic viscosity1.4492e-5
- Molar enthalpy (kJ/kmol)0
- Molar entropy (kJ/(kmol·K))0
- Molar heat capacity (kJ/(kmol·K))35.5398
- Molar volume (m³/kmol)24.4654
- Parachor
- Poynting correction factor
- Prandtl number0.844276
- Saturation pressure (bar)10.027
- Saturation temperature (°C)-33.3157
- Solubility parameter
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity0.587709
- Specific heat capacity (kJ/kg·K)2.08683
- Surface tension0.0205133
- Thermal conductivity0.0249345
- Thermal diffusivity1.7165e-5
Safety Properties
- Autoignition temperature (°C)630
- Flash point temperature (°C)-273.15
- Lower flammability limit0.15
- Upper flammability limit0.336
Environmental Properties
- Global warming potential
- Ozone depletion potential
Failed Properties:
- API gravityFailed