Properties of stearic acid
Thermophysical properties for stearic acid (CAS: 57-11-4). 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
- AtomsC: 18, H: 36, O: 2
- CAS57-11-4
- FormulaC18H36O2
- ID57-11-4
- InChIC18H36O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h2-17H2,1H3,(H,19,20)
- InChI KeyQIQXTHQIDYTFRH-UHFFFAOYSA-N
- IUPAC Nameoctadecanoic acid
- Molecular Weight (kg)284.477
- Phases
- PubChem ID5281
- SMILESCCCCCCCCCCCCCCCCCC(=O)O
- Synonyms
Physical Properties
- Acentric factor0.9802
- Critical pressure (bar)13
- Critical temperature (°C)529.85
- Critical volume (m³/kmol)1.251
- Dipole moment
- Melting temperature (°C)69.3
- Normal boiling temperature (°C)371
State-dependent Properties
- API gravity58.2584
- Compressibility factor0.0139856
- Density (kg/m³)831.408
- Dynamic viscosity (cP)0
- Enthalpy of vaporization (mass) (kJ)404.035
- Enthalpy of vaporization (molar) (kJ/kmol)1.1494e+5
- 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))501.5
- Molar volume (m³/kmol)0.342163
- Parachor1.6515e-4
- Poynting correction factor1.01579
- Prandtl number
- Saturation pressure (bar)1.5442e-8
- Saturation temperature (°C)370.041
- Solubility parameter1.7131e+4
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity0.832226
- Specific heat capacity (kJ/kg·K)1.76288
- Surface tension0.0323803
- Thermal conductivity
- Thermal diffusivity
Safety Properties
- Autoignition temperature (°C)-273.15
- Flash point temperature (°C)195.85
- Lower flammability limit0.025301
- Upper flammability limit0.245781
Environmental Properties
- Global warming potential
- Ozone depletion potential