Properties of trans-2-pentene

Thermophysical properties for trans-2-pentene (CAS: 646-04-8). 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: 5, H: 10
  • CAS
    646-04-8
  • Formula
    C5H10
  • ID
    646-04-8
  • InChI
    C5H10/c1-3-5-4-2/h3,5H,4H2,1-2H3/b5-3+
  • InChI Key
    QMMOXUPEWRXHJS-HWKANZROSA-N
  • IUPAC Name
    (e)-pent-2-ene
  • Molecular Weight (kg)
    70.1329
  • Phase
    l
  • PubChem ID
    5.3262e+6
  • SMILES
    CC/C=C/C
  • Synonyms

Physical Properties

  • Acentric factor
    0.2409
  • Critical pressure (bar)
    36.5783
  • Critical temperature (°C)
    201.85
  • Critical volume (m³/kmol)
    0.3
  • Dipole moment
    0
  • Melting temperature (°C)
    -136
  • Normal boiling temperature (°C)
    36.3

State-dependent Properties

  • API gravity
    48.1373
  • Compressibility factor
    0.0036972
  • Density (kg/m³)
    775.348
  • Dynamic viscosity (cP)
    0.200594
  • Enthalpy of vaporization (mass) (kJ)
    372.804
  • Enthalpy of vaporization (molar) (kJ/kmol)
    2.6146e+4
  • Gibbs free energy (kJ/kmol)
    0
  • Joule–Thomson coefficient
    -3.2386e-7
  • Kinematic viscosity
    2.5871e-7
  • Molar enthalpy (kJ/kmol)
    0
  • Molar entropy (kJ/(kmol·K))
    0
  • Molar heat capacity (kJ/(kmol·K))
    146.232
  • Molar volume (m³/kmol)
    0.0904535
  • Parachor
    3.2494e-5
  • Poynting correction factor
    1.00124
  • Prandtl number
    3.47896
  • Saturation pressure (bar)
    0.673889
  • Saturation temperature (°C)
    36.3542
  • Solubility parameter
    1.6176e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    0.776111
  • Specific heat capacity (kJ/kg·K)
    2.08507
  • Surface tension
    0.0164094
  • Thermal conductivity
    0.120224
  • Thermal diffusivity
    7.4366e-8

Safety Properties

  • Autoignition temperature (°C)
    -273.15
  • Flash point temperature (°C)
    -45.15
  • Lower flammability limit
    0.0152454
  • Upper flammability limit
    0.0878751

Environmental Properties

  • Global warming potential
  • Ozone depletion potential