Properties of 3,4-dimethylthiophene

Thermophysical properties for 3,4-dimethylthiophene (CAS: 632-15-5). 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, S: 1
  • CAS
    632-15-5
  • Formula
    C6H8S
  • ID
    632-15-5
  • InChI
    C6H8S/c1-5-3-7-4-6(5)2/h3-4H,1-2H3
  • InChI Key
    GPSFYJDZKSRMKZ-UHFFFAOYSA-N
  • IUPAC Name
    3,4-dimethylthiophene
  • Molecular Weight (kg)
    112.193
  • Phase
    l
  • PubChem ID
    7.9089e+4
  • SMILES
    CC1=CSC=C1C
  • Synonyms

Physical Properties

  • Acentric factor
    0.2674
  • Critical pressure (bar)
    39.077
  • Critical temperature (°C)
    367.05
  • Critical volume (m³/kmol)
    0.332
  • Dipole moment
  • Melting temperature (°C)
    9.38
  • Normal boiling temperature (°C)
    145

State-dependent Properties

  • API gravity
    7.63731
  • Compressibility factor
    0.00454847
  • Density (kg/m³)
    1008.2
  • Dynamic viscosity (cP)
    0.439232
  • Enthalpy of vaporization (mass) (kJ)
    373.612
  • Enthalpy of vaporization (molar) (kJ/kmol)
    4.1916e+4
  • Gibbs free energy (kJ/kmol)
    0
  • Joule–Thomson coefficient
    -4.8307e-7
  • Kinematic viscosity
    4.3566e-7
  • Molar enthalpy (kJ/kmol)
    0
  • Molar entropy (kJ/(kmol·K))
    0
  • Molar heat capacity (kJ/(kmol·K))
    173.635
  • Molar volume (m³/kmol)
    0.11128
  • Parachor
    4.7551e-5
  • Poynting correction factor
    1.00452
  • Prandtl number
    5.22692
  • Saturation pressure (bar)
    0.00939104
  • Saturation temperature (°C)
    144.598
  • Solubility parameter
    1.8825e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    1.00919
  • Specific heat capacity (kJ/kg·K)
    1.54765
  • Surface tension
    0.0327385
  • Thermal conductivity
    0.130053
  • Thermal diffusivity
    8.3349e-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