Properties of neon

Thermophysical properties for neon (CAS: 7440-01-9). 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
    Ne: 1
  • CAS
    7440-01-9
  • Formula
    Ne
  • ID
    7440-01-9
  • InChI
    Ne
  • InChI Key
    GKAOGPIIYCISHV-UHFFFAOYSA-N
  • IUPAC Name
    neon
  • Molecular Weight (kg)
    20.1797
  • Phase
    g
  • PubChem ID
    2.3935e+4
  • SMILES
    [Ne]
  • Synonyms

Physical Properties

  • Acentric factor
    -0.0355
  • Critical pressure (bar)
    26.6163
  • Critical temperature (°C)
    -228.75
  • Critical volume (m³/kmol)
    0.0414938
  • Dipole moment
    0
  • Melting temperature (°C)
    -248.59
  • Normal boiling temperature (°C)
    -246.05

State-dependent Properties

  • Compressibility factor
    1
  • Density (kg/m³)
    0.824826
  • Dynamic viscosity (cP)
    0.0317128
  • Enthalpy of vaporization (mass) (kJ)
    0
  • Enthalpy of vaporization (molar) (kJ/kmol)
    0
  • Joule–Thomson coefficient
    4.2132e-13
  • Kinematic viscosity
    3.8448e-5
  • Molar enthalpy (kJ/kmol)
    0
  • Molar heat capacity (kJ/(kmol·K))
    20.7861
  • Molar volume (m³/kmol)
    24.4654
  • Parachor
  • Poynting correction factor
  • Prandtl number
    0.658034
  • Saturation pressure (bar)
    1.8448e+16
  • Saturation temperature (°C)
    -246.05
  • Solubility parameter
  • Specific gravity
    0.696384
  • Specific heat capacity (kJ/kg·K)
    1.03005
  • Surface tension
    0
  • Thermal conductivity
    0.0496416
  • Thermal diffusivity
    5.8428e-5

Safety Properties

  • Autoignition temperature (°C)
    -273.15
  • Flash point temperature (°C)
    -273.15
  • Lower flammability limit
  • Upper flammability limit
    0.235

Environmental Properties

  • Global warming potential
  • Ozone depletion potential

Failed Properties:

  • API gravityFailed
  • Gibbs free energy (kJ/kmol)Failed
  • Molar entropy (kJ/(kmol·K))Failed
  • Specific enthalpy (kJ)Failed
  • Specific entropy (kJ/kg·K)Failed