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Properties of 2,5-dimethylthiophene

Thermophysical properties for 2,5-dimethylthiophene (CAS: 638-02-8). 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: 6, H: 8, S: 1
  • CAS
    638-02-8
  • Formula
    C6H8S
  • ID
    638-02-8
  • InChI
    C6H8S/c1-5-3-4-6(2)7-5/h3-4H,1-2H3
  • InChI Key
    GWQOOADXMVQEFT-UHFFFAOYSA-N
  • IUPAC Name
    2,5-dimethylthiophene
  • Molecular Weight (kg)
    112.193
  • Phase
    l
  • PubChem ID
    1.2514e+4
  • SMILES
    CC1=CC=C(S1)C
  • Synonyms

Physical Properties

  • Acentric factor
    0.2811
  • Critical pressure (bar)
    38.9037
  • Critical temperature (°C)
    352.05
  • Critical volume (m³/kmol)
    0.332
  • Dipole moment
  • Melting temperature (°C)
    -62.8
  • Normal boiling temperature (°C)
    139

State-dependent Properties

  • API gravity
    8.19033
  • Compressibility factor
    0.00456798
  • Density (kg/m³)
    1003.89
  • Dynamic viscosity (cP)
    0.435307
  • Enthalpy of vaporization (mass) (kJ)
    367.215
  • Enthalpy of vaporization (molar) (kJ/kmol)
    4.1199e+4
  • Gibbs free energy (kJ/kmol)
    0
  • Joule–Thomson coefficient
    -4.7859e-7
  • Kinematic viscosity
    4.3362e-7
  • Molar enthalpy (kJ/kmol)
    0
  • Molar entropy (kJ/(kmol·K))
    0
  • Molar heat capacity (kJ/(kmol·K))
    173.635
  • Molar volume (m³/kmol)
    0.111757
  • Parachor
    4.6638e-5
  • Poynting correction factor
    1.00452
  • Prandtl number
    5.26431
  • Saturation pressure (bar)
    0.0134882
  • Saturation temperature (°C)
    135.201
  • Solubility parameter
    1.8614e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    1.00488
  • Specific heat capacity (kJ/kg·K)
    1.54765
  • Surface tension
    0.0297775
  • Thermal conductivity
    0.127975
  • Thermal diffusivity
    8.2369e-8

Safety Properties

  • Autoignition temperature (°C)
    -273.15
  • Flash point temperature (°C)
    -273.15
  • Lower flammability limit
    0.0140737
  • Upper flammability limit
    0.0895599

Environmental Properties

  • Global warming potential
  • Ozone depletion potential