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Properties of octane, 2,7-dimethyl-

Thermophysical properties for octane, 2,7-dimethyl- (CAS: 1072-16-8). 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: 10, H: 22
  • CAS
    1072-16-8
  • Formula
    C10H22
  • ID
    1072-16-8
  • InChI
    C10H22/c1-9(2)7-5-6-8-10(3)4/h9-10H,5-8H2,1-4H3
  • InChI Key
    KEVMYFLMMDUPJE-UHFFFAOYSA-N
  • IUPAC Name
    2,7-dimethyloctane
  • Molecular Weight (kg)
    142.282
  • Phase
    l
  • PubChem ID
    1.4070e+4
  • SMILES
    CC(C)CCCCC(C)C
  • Synonyms

Physical Properties

  • Acentric factor
    0.4459
  • Critical pressure (bar)
    20.9743
  • Critical temperature (°C)
    329.75
  • Critical volume (m³/kmol)
    0.59
  • Dipole moment
  • Melting temperature (°C)
    -54.9
  • Normal boiling temperature (°C)
    160

State-dependent Properties

  • API gravity
    62.4687
  • Compressibility factor
    0.00804452
  • Density (kg/m³)
    722.931
  • Dynamic viscosity (cP)
    0.827592
  • Enthalpy of vaporization (mass) (kJ)
    327.408
  • Enthalpy of vaporization (molar) (kJ/kmol)
    4.6584e+4
  • Gibbs free energy (kJ/kmol)
    0
  • Joule–Thomson coefficient
    -4.7983e-7
  • Kinematic viscosity
    1.1448e-6
  • Molar enthalpy (kJ/kmol)
    0
  • Molar entropy (kJ/(kmol·K))
    0
  • Molar heat capacity (kJ/(kmol·K))
    303.923
  • Molar volume (m³/kmol)
    0.196812
  • Parachor
    7.6347e-5
  • Poynting correction factor
    1.00804
  • Prandtl number
    14.9401
  • Saturation pressure (bar)
    0.00478965
  • Saturation temperature (°C)
    159.939
  • Solubility parameter
    1.4970e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    0.723642
  • Specific heat capacity (kJ/kg·K)
    2.13606
  • Surface tension
    0.0219245
  • Thermal conductivity
    0.118325
  • Thermal diffusivity
    7.6624e-8

Safety Properties

  • Autoignition temperature (°C)
    -273.15
  • Flash point temperature (°C)
    37.78
  • Lower flammability limit
    0.00735491
  • Upper flammability limit
    0.046804

Environmental Properties

  • Global warming potential
  • Ozone depletion potential