Properties of methylcyclopentadiene

Thermophysical properties for methylcyclopentadiene (CAS: 26519-91-5). 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: 8
  • CAS
    26519-91-5
  • Formula
    C6H8
  • ID
    26519-91-5
  • InChI
    C6H8/c1-6-4-2-3-5-6/h2-4H,5H2,1H3
  • InChI Key
    NFWSQSCIDYBUOU-UHFFFAOYSA-N
  • IUPAC Name
    1-methylcyclopenta-1,3-diene
  • Molecular Weight (kg)
    80.1277
  • Phase
    s
  • PubChem ID
    6.6775e+4
  • SMILES
    CC1=CC=CC1
  • Synonyms

Physical Properties

  • Acentric factor
    0.238
  • Critical pressure (bar)
    44.3
  • Critical temperature (°C)
    267.85
  • Critical volume (m³/kmol)
    0.279
  • Dipole moment
  • Melting temperature (°C)
    72
  • Normal boiling temperature (°C)
    72.78

State-dependent Properties

  • API gravity
    40.6614
  • Compressibility factor
    0.0037523
  • Density (kg/m³)
    872.836
  • Dynamic viscosity (cP)
    0
  • Enthalpy of vaporization (mass) (kJ)
    397.35
  • Enthalpy of vaporization (molar) (kJ/kmol)
    3.1839e+4
  • Gibbs free energy (kJ/kmol)
    0
  • Joule–Thomson coefficient
  • Kinematic viscosity
  • Molar enthalpy (kJ/kmol)
    0
  • Molar entropy (kJ/(kmol·K))
    0
  • Molar heat capacity (kJ/(kmol·K))
    116.296
  • Molar volume (m³/kmol)
    0.0918016
  • Parachor
    3.9239e-5
  • Poynting correction factor
    1.00336
  • Prandtl number
  • Saturation pressure (bar)
    0.171198
  • Saturation temperature (°C)
    72.7266
  • Solubility parameter
    1.7251e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    0.873694
  • Specific heat capacity (kJ/kg·K)
    1.45138
  • Surface tension
    0.0246264
  • Thermal conductivity
  • Thermal diffusivity

Safety Properties

  • Autoignition temperature (°C)
    432
  • Flash point temperature (°C)
    -18
  • Lower flammability limit
    0.013
  • Upper flammability limit
    0.076

Environmental Properties

  • Global warming potential
  • Ozone depletion potential