Properties of 2-butanol

Thermophysical properties for 2-butanol (CAS: 78-92-2). 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: 4, H: 10, O: 1
  • CAS
    78-92-2
  • Formula
    C4H10O
  • ID
    78-92-2
  • InChI
    C4H10O/c1-3-4(2)5/h4-5H,3H2,1-2H3
  • InChI Key
    BTANRVKWQNVYAZ-UHFFFAOYSA-N
  • IUPAC Name
    butan-2-ol
  • Molecular Weight (kg)
    74.1216
  • Phase
    l
  • PubChem ID
    6568
  • SMILES
    CCC(C)O
  • Synonyms

Physical Properties

  • Acentric factor
    0.576
  • Critical pressure (bar)
    42.02
  • Critical temperature (°C)
    263.05
  • Critical volume (m³/kmol)
    0.269
  • Dipole moment
    1.7
  • Melting temperature (°C)
    -115
  • Normal boiling temperature (°C)
    99.4

State-dependent Properties

  • API gravity
    42.7089
  • Compressibility factor
    0.00377597
  • Density (kg/m³)
    802.349
  • Dynamic viscosity (cP)
    3.07387
  • Enthalpy of vaporization (mass) (kJ)
    673.645
  • Enthalpy of vaporization (molar) (kJ/kmol)
    4.9932e+4
  • Gibbs free energy (kJ/kmol)
    0
  • Joule–Thomson coefficient
    -3.0001e-7
  • Kinematic viscosity
    3.8311e-6
  • Molar enthalpy (kJ/kmol)
    0
  • Molar entropy (kJ/(kmol·K))
    0
  • Molar heat capacity (kJ/(kmol·K))
    196.772
  • Molar volume (m³/kmol)
    0.0923807
  • Parachor
    3.5820e-5
  • Poynting correction factor
    1.0037
  • Prandtl number
    61.9079
  • Saturation pressure (bar)
    0.023236
  • Saturation temperature (°C)
    99.5393
  • Solubility parameter
    2.2664e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    0.803139
  • Specific heat capacity (kJ/kg·K)
    2.65472
  • Surface tension
    0.0222643
  • Thermal conductivity
    0.131813
  • Thermal diffusivity
    6.1884e-8

Safety Properties

  • Autoignition temperature (°C)
    406
  • Flash point temperature (°C)
    24
  • Lower flammability limit
    0.017
  • Upper flammability limit
    0.098

Environmental Properties

  • Global warming potential
  • Ozone depletion potential