Properties of dimethyl ether

Thermophysical properties for dimethyl ether (CAS: 115-10-6). 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: 2, H: 6, O: 1
  • CAS
    115-10-6
  • Formula
    C2H6O
  • ID
    115-10-6
  • InChI
    C2H6O/c1-3-2/h1-2H3
  • InChI Key
    LCGLNKUTAGEVQW-UHFFFAOYSA-N
  • IUPAC Name
    methoxymethane
  • Molecular Weight (kg)
    46.0684
  • Phase
    g
  • PubChem ID
    8254
  • SMILES
    COC
  • Synonyms

Physical Properties

  • Acentric factor
    0.196
  • Critical pressure (bar)
    53.368
  • Critical temperature (°C)
    127.228
  • Critical volume (m³/kmol)
    0.16835
  • Dipole moment
    1.3
  • Melting temperature (°C)
    -139.75
  • Normal boiling temperature (°C)
    -24.7822

State-dependent Properties

  • Compressibility factor
    1
  • Density (kg/m³)
    1.883
  • Dynamic viscosity (cP)
    0.00919644
  • Enthalpy of vaporization (mass) (kJ)
    400.367
  • Enthalpy of vaporization (molar) (kJ/kmol)
    1.8444e+4
  • Gibbs free energy (kJ/kmol)
    0
  • Joule–Thomson coefficient
    1.3304e-13
  • Kinematic viscosity
    4.8839e-6
  • Molar enthalpy (kJ/kmol)
    0
  • Molar entropy (kJ/(kmol·K))
    0
  • Molar heat capacity (kJ/(kmol·K))
    65.829
  • Molar volume (m³/kmol)
    24.4654
  • Parachor
  • Poynting correction factor
  • Prandtl number
    0.740696
  • Saturation pressure (bar)
    5.90217
  • Saturation temperature (°C)
    -24.7822
  • Solubility parameter
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    1.58978
  • Specific heat capacity (kJ/kg·K)
    1.42894
  • Surface tension
    0.0113152
  • Thermal conductivity
    0.0177416
  • Thermal diffusivity
    6.5937e-6

Safety Properties

  • Autoignition temperature (°C)
    240
  • Flash point temperature (°C)
    -41
  • Lower flammability limit
    0.027
  • Upper flammability limit
    0.32

Environmental Properties

  • Global warming potential
    1
  • Ozone depletion potential

Failed Properties:

  • API gravityFailed