Properties of difluoromethane

Thermophysical properties for difluoromethane (CAS: 75-10-5). 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

Need properties at a different state? Use our interactive calculator.

Open Calculator

Identification

  • Atoms
    C: 1, F: 2, H: 2
  • CAS
    75-10-5
  • Formula
    CH2F2
  • ID
    75-10-5
  • InChI
    CH2F2/c2-1-3/h1H2
  • InChI Key
    RWRIWBAIICGTTQ-UHFFFAOYSA-N
  • IUPAC Name
    bis(fluoranyl)methane
  • Molecular Weight (kg)
    52.0234
  • Phase
    g
  • PubChem ID
    6345
  • SMILES
    C(F)F
  • Synonyms

Physical Properties

  • Acentric factor
    0.2769
  • Critical pressure (bar)
    57.82
  • Critical temperature (°C)
    78.105
  • Critical volume (m³/kmol)
    0.122698
  • Dipole moment
    1.97
  • Melting temperature (°C)
    -136
  • Normal boiling temperature (°C)
    -51.6513

State-dependent Properties

  • Compressibility factor
    1
  • Density (kg/m³)
    2.12641
  • Dynamic viscosity (cP)
    0.0126131
  • Enthalpy of vaporization (mass) (kJ)
    270.911
  • Enthalpy of vaporization (molar) (kJ/kmol)
    1.4094e+4
  • Gibbs free energy (kJ/kmol)
    0
  • Joule–Thomson coefficient
    2.0394e-13
  • Kinematic viscosity
    5.9316e-6
  • Molar enthalpy (kJ/kmol)
    0
  • Molar entropy (kJ/(kmol·K))
    0
  • Molar heat capacity (kJ/(kmol·K))
    42.9417
  • Molar volume (m³/kmol)
    24.4654
  • Parachor
  • Poynting correction factor
  • Prandtl number
    0.683159
  • Saturation pressure (bar)
    16.8962
  • Saturation temperature (°C)
    -51.6512
  • Solubility parameter
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    1.79528
  • Specific heat capacity (kJ/kg·K)
    0.825431
  • Surface tension
    0.00678886
  • Thermal conductivity
    0.0152399
  • Thermal diffusivity
    8.6827e-6

Safety Properties

  • Autoignition temperature (°C)
    -273.15
  • Flash point temperature (°C)
    -273.15
  • Lower flammability limit
    0.0854548
  • Upper flammability limit
    0.205615

Environmental Properties

  • Global warming potential
    2330
  • Ozone depletion potential

Failed Properties:

  • API gravityFailed