Properties of indole
Thermophysical properties for indole (CAS: 120-72-9). 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
- AtomsC: 8, H: 7, N: 1
- CAS120-72-9
- FormulaC8H7N
- ID120-72-9
- InChIC8H7N/c1-2-4-8-7(3-1)5-6-9-8/h1-6,9H
- InChI KeySIKJAQJRHWYJAI-UHFFFAOYSA-N
- IUPAC Name1h-indole
- Molecular Weight (kg)117.148
- Phases
- PubChem ID798
- SMILESC1=CC=C2C(=C1)C=CN2
- Synonyms
Physical Properties
- Acentric factor0.3464
- Critical pressure (bar)42.7591
- Critical temperature (°C)517.55
- Critical volume (m³/kmol)0.369
- Dipole moment
- Melting temperature (°C)52
- Normal boiling temperature (°C)254
State-dependent Properties
- API gravity9.68881
- Compressibility factor0.00430571
- Density (kg/m³)1112.08
- Dynamic viscosity (cP)0
- Enthalpy of vaporization (mass) (kJ)527.692
- Enthalpy of vaporization (molar) (kJ/kmol)6.1818e+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))140.405
- Molar volume (m³/kmol)0.105341
- Parachor5.5288e-5
- Poynting correction factor1.00482
- Prandtl number
- Saturation pressure (bar)5.5862e-5
- Saturation temperature (°C)249.131
- Solubility parameter2.2464e+4
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity1.11318
- Specific heat capacity (kJ/kg·K)1.19853
- Surface tension0.0479319
- Thermal conductivity
- Thermal diffusivity
Safety Properties
- Autoignition temperature (°C)-273.15
- Flash point temperature (°C)-273.15
- Lower flammability limit0.0116282
- Upper flammability limit0.069891
Environmental Properties
- Global warming potential
- Ozone depletion potential