Properties of styrene

Thermophysical properties for styrene (CAS: 100-42-5). 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: 8, H: 8
  • CAS
    100-42-5
  • Formula
    C8H8
  • ID
    100-42-5
  • InChI
    C8H8/c1-2-8-6-4-3-5-7-8/h2-7H,1H2
  • InChI Key
    PPBRXRYQALVLMV-UHFFFAOYSA-N
  • IUPAC Name
    ethenylbenzene
  • Molecular Weight (kg)
    104.149
  • Phase
    l
  • PubChem ID
    7501
  • SMILES
    C=CC1=CC=CC=C1
  • Synonyms

Physical Properties

  • Acentric factor
    0.3007
  • Critical pressure (bar)
    39
  • Critical temperature (°C)
    361.85
  • Critical volume (m³/kmol)
    0.357
  • Dipole moment
  • Melting temperature (°C)
    -31
  • Normal boiling temperature (°C)
    145.3

State-dependent Properties

  • API gravity
    24.0288
  • Compressibility factor
    0.00472725
  • Density (kg/m³)
    900.523
  • Dynamic viscosity (cP)
    0.70181
  • Enthalpy of vaporization (mass) (kJ)
    425.394
  • Enthalpy of vaporization (molar) (kJ/kmol)
    4.4304e+4
  • Gibbs free energy (kJ/kmol)
    0
  • Joule–Thomson coefficient
    -4.5800e-7
  • Kinematic viscosity
    7.7934e-7
  • Molar enthalpy (kJ/kmol)
    0
  • Molar entropy (kJ/(kmol·K))
    0
  • Molar heat capacity (kJ/(kmol·K))
    177.946
  • Molar volume (m³/kmol)
    0.115654
  • Parachor
    4.8574e-5
  • Poynting correction factor
    1.0047
  • Prandtl number
    8.95939
  • Saturation pressure (bar)
    0.00821534
  • Saturation temperature (°C)
    145.266
  • Solubility parameter
    1.9017e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    0.901409
  • Specific heat capacity (kJ/kg·K)
    1.70857
  • Surface tension
    0.0305309
  • Thermal conductivity
    0.133836
  • Thermal diffusivity
    8.6985e-8

Safety Properties

  • Autoignition temperature (°C)
    490
  • Flash point temperature (°C)
    30
  • Lower flammability limit
    0.01
  • Upper flammability limit
    0.08

Environmental Properties

  • Global warming potential
  • Ozone depletion potential