Properties of ethanol

Thermophysical properties for ethanol (CAS: 64-17-5). 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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Identification

  • Atoms
    C: 2, H: 6, O: 1
  • CAS
    64-17-5
  • Formula
    C2H6O
  • ID
    64-17-5
  • InChI
    C2H6O/c1-2-3/h3H,2H2,1H3
  • InChI Key
    LFQSCWFLJHTTHZ-UHFFFAOYSA-N
  • IUPAC Name
    ethanol
  • Molecular Weight (kg)
    46.0684
  • Phase
    l
  • PubChem ID
    702
  • SMILES
    CCO
  • Synonyms

Physical Properties

  • Acentric factor
    0.646
  • Critical pressure (bar)
    62.68
  • Critical temperature (°C)
    241.56
  • Critical volume (m³/kmol)
    0.168634
  • Dipole moment
    1.44
  • Melting temperature (°C)
    -114.1
  • Normal boiling temperature (°C)
    78.4204

State-dependent Properties

  • API gravity
    46.7123
  • Compressibility factor
    0.00239832
  • Density (kg/m³)
    785.133
  • Dynamic viscosity (cP)
    1.08235
  • Enthalpy of vaporization (mass) (kJ)
    920.661
  • Enthalpy of vaporization (molar) (kJ/kmol)
    4.2413e+4
  • Gibbs free energy (kJ/kmol)
    0
  • Joule–Thomson coefficient
    -3.5231e-7
  • Kinematic viscosity
    1.3786e-6
  • Molar enthalpy (kJ/kmol)
    0
  • Molar entropy (kJ/(kmol·K))
    0
  • Molar heat capacity (kJ/(kmol·K))
    112.153
  • Molar volume (m³/kmol)
    0.0586759
  • Parachor
    2.2639e-5
  • Poynting correction factor
    1.00221
  • Prandtl number
    16.1163
  • Saturation pressure (bar)
    0.0788539
  • Saturation temperature (°C)
    78.421
  • Solubility parameter
    2.6088e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    0.785906
  • Specific heat capacity (kJ/kg·K)
    2.43448
  • Surface tension
    0.0219479
  • Thermal conductivity
    0.163497
  • Thermal diffusivity
    8.5538e-8

Safety Properties

  • Autoignition temperature (°C)
    400
  • Flash point temperature (°C)
    12
  • Lower flammability limit
    0.031
  • Upper flammability limit
    0.19

Environmental Properties

  • Global warming potential
  • Ozone depletion potential