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Properties of gem-dimethylcyclopentane

Thermophysical properties for gem-dimethylcyclopentane (CAS: 1638-26-2). 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: 7, H: 14
  • CAS
    1638-26-2
  • Formula
    C7H14
  • ID
    1638-26-2
  • InChI
    C7H14/c1-7(2)5-3-4-6-7/h3-6H2,1-2H3
  • InChI Key
    QWHNJUXXYKPLQM-UHFFFAOYSA-N
  • IUPAC Name
    1,1-dimethylcyclopentane
  • Molecular Weight (kg)
    98.1861
  • Phase
    l
  • PubChem ID
    1.5421e+4
  • SMILES
    CC1(CCCC1)C
  • Synonyms

Physical Properties

  • Acentric factor
    0.273
  • Critical pressure (bar)
    34.4505
  • Critical temperature (°C)
    273.85
  • Critical volume (m³/kmol)
    0.36
  • Dipole moment
  • Melting temperature (°C)
    -69.9
  • Normal boiling temperature (°C)
    87.8

State-dependent Properties

  • API gravity
    54.842
  • Compressibility factor
    0.00535082
  • Density (kg/m³)
    750.028
  • Dynamic viscosity (cP)
    0.317571
  • Enthalpy of vaporization (mass) (kJ)
    342.75
  • Enthalpy of vaporization (molar) (kJ/kmol)
    3.3653e+4
  • Gibbs free energy (kJ/kmol)
    0
  • Joule–Thomson coefficient
    -4.0696e-7
  • Kinematic viscosity
    4.2341e-7
  • Molar enthalpy (kJ/kmol)
    0
  • Molar entropy (kJ/(kmol·K))
    0
  • Molar heat capacity (kJ/(kmol·K))
    204.725
  • Molar volume (m³/kmol)
    0.13091
  • Parachor
    5.0246e-5
  • Poynting correction factor
    1.00483
  • Prandtl number
    5.64666
  • Saturation pressure (bar)
    0.100955
  • Saturation temperature (°C)
    87.8383
  • Solubility parameter
    1.5432e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    0.750765
  • Specific heat capacity (kJ/kg·K)
    2.08507
  • Surface tension
    0.0212412
  • Thermal conductivity
    0.117265
  • Thermal diffusivity
    7.4985e-8

Safety Properties

  • Autoignition temperature (°C)
    -273.15
  • Flash point temperature (°C)
    -273.15
  • Lower flammability limit
    0.0106852
  • Upper flammability limit
    0.0653631

Environmental Properties

  • Global warming potential
  • Ozone depletion potential