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Properties of 2-methyl-1,3-pentanediol

Thermophysical properties for 2-methyl-1,3-pentanediol (CAS: 149-31-5). 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: 6, H: 14, O: 2
  • CAS
    149-31-5
  • Formula
    C6H14O2
  • ID
    149-31-5
  • InChI
    C6H14O2/c1-3-6(8)5(2)4-7/h5-8H,3-4H2,1-2H3
  • InChI Key
    SPXWGAHNKXLXAP-UHFFFAOYSA-N
  • IUPAC Name
    2-methylpentane-1,3-diol
  • Molecular Weight (kg)
    118.174
  • Phase
    l
  • PubChem ID
    6.1099e+4
  • SMILES
    CCC(C(C)CO)O
  • Synonyms

Physical Properties

  • Acentric factor
    1.179
  • Critical pressure (bar)
    39.36
  • Critical temperature (°C)
    374.98
  • Critical volume (m³/kmol)
    0.3975
  • Dipole moment
  • Melting temperature (°C)
    -24.13
  • Normal boiling temperature (°C)
    214.5

State-dependent Properties

  • API gravity
    16.6029
  • Compressibility factor
    0.00508728
  • Density (kg/m³)
    949.478
  • Dynamic viscosity (cP)
    1.01583
  • Enthalpy of vaporization (mass) (kJ)
    787.217
  • Enthalpy of vaporization (molar) (kJ/kmol)
    9.3029e+4
  • Gibbs free energy (kJ/kmol)
    0
  • Joule–Thomson coefficient
    -4.5265e-7
  • Kinematic viscosity
    1.0699e-6
  • Molar enthalpy (kJ/kmol)
    0
  • Molar entropy (kJ/(kmol·K))
    0
  • Molar heat capacity (kJ/(kmol·K))
    228.365
  • Molar volume (m³/kmol)
    0.124462
  • Parachor
    5.9261e-5
  • Poynting correction factor
    1.0051
  • Prandtl number
    12.9791
  • Saturation pressure (bar)
    2.8535e-6
  • Saturation temperature (°C)
    217.816
  • Solubility parameter
    2.6973e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    0.950412
  • Specific heat capacity (kJ/kg·K)
    1.93245
  • Surface tension
    0.0503589
  • Thermal conductivity
    0.151245
  • Thermal diffusivity
    8.2431e-8

Safety Properties

  • Autoignition temperature (°C)
    -273.15
  • Flash point temperature (°C)
    110
  • Lower flammability limit
    0.0132658
  • Upper flammability limit
    0.0844187

Environmental Properties

  • Global warming potential
  • Ozone depletion potential