Properties of hyponitrite (8CI,9CI)

Thermophysical properties for hyponitrite (8CI,9CI) (CAS: 15435-66-2). 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
    N: 2, O: 2
  • CAS
    15435-66-2
  • Formula
    N2O2-2
  • ID
    15435-66-2
  • InChI
    H2N2O2/c3-1-2-4/h(H,1,4)(H,2,3)/p-2
  • InChI Key
    NFMHSPWHNQRFNR-UHFFFAOYSA-L
  • IUPAC Name
    dioxidodiazene
  • Molecular Weight (kg)
    60.0122
  • Phase
    l
  • PubChem ID
    4.6863e+6
  • SMILES
    N(=N[O-])[O-]
  • Synonyms

Physical Properties

  • Acentric factor
    0.459341
  • Critical pressure (bar)
    63.5924
  • Critical temperature (°C)
    225.568
  • Critical volume (m³/kmol)
    0.16992
  • Dipole moment
  • Melting temperature (°C)
    -273.15
  • Normal boiling temperature (°C)
    53.25

State-dependent Properties

  • API gravity
    8.49603
  • Compressibility factor
    0.00245941
  • Density (kg/m³)
    997.371
  • Dynamic viscosity (cP)
    0.397527
  • Enthalpy of vaporization (mass) (kJ)
    584.676
  • Enthalpy of vaporization (molar) (kJ/kmol)
    3.5088e+4
  • Gibbs free energy (kJ/kmol)
    0
  • Joule–Thomson coefficient
    -6.9052e-7
  • Kinematic viscosity
    3.9858e-7
  • Molar enthalpy (kJ/kmol)
    0
  • Molar entropy (kJ/(kmol·K))
    0
  • Molar heat capacity (kJ/(kmol·K))
    52.4129
  • Molar volume (m³/kmol)
    0.0601704
  • Parachor
    2.5589e-5
  • Poynting correction factor
    1.00178
  • Prandtl number
    2.34645
  • Saturation pressure (bar)
    0.278906
  • Saturation temperature (°C)
    54.3967
  • Solubility parameter
    2.3280e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    0.998352
  • Specific heat capacity (kJ/kg·K)
    0.873372
  • Surface tension
    0.0323895
  • Thermal conductivity
    0.147963
  • Thermal diffusivity
    1.6986e-7

Safety Properties

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

Environmental Properties

  • Global warming potential
  • Ozone depletion potential