Properties of hypochlorous acid

Thermophysical properties for hypochlorous acid (CAS: 7790-92-3). 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
    Cl: 1, H: 1, O: 1
  • CAS
    7790-92-3
  • Formula
    ClHO
  • ID
    7790-92-3
  • InChI
    ClHO/c1-2/h2H
  • InChI Key
    QWPPOHNGKGFGJK-UHFFFAOYSA-N
  • IUPAC Name
    hypochlorous acid
  • Molecular Weight (kg)
    52.4603
  • Phase
    l
  • PubChem ID
    2.4341e+4
  • SMILES
    OCl
  • Synonyms

Physical Properties

  • Acentric factor
    0.539555
  • Critical pressure (bar)
    73.9334
  • Critical temperature (°C)
    226.803
  • Critical volume (m³/kmol)
    0.1035
  • Dipole moment
    1.3
  • Melting temperature (°C)
    -92.65
  • Normal boiling temperature (°C)
    56.06

State-dependent Properties

  • API gravity
    -34.8914
  • Compressibility factor
    0.00148316
  • Density (kg/m³)
    1445.75
  • Dynamic viscosity (cP)
    0.444651
  • Enthalpy of vaporization (mass) (kJ)
    720.546
  • Enthalpy of vaporization (molar) (kJ/kmol)
    3.7800e+4
  • Gibbs free energy (kJ/kmol)
    0
  • Joule–Thomson coefficient
    -5.5508e-7
  • Kinematic viscosity
    3.0756e-7
  • Molar enthalpy (kJ/kmol)
    0
  • Molar entropy (kJ/(kmol·K))
    0
  • Molar heat capacity (kJ/(kmol·K))
    39.9568
  • Molar volume (m³/kmol)
    0.036286
  • Parachor
    1.6992e-5
  • Poynting correction factor
    1.00115
  • Prandtl number
    2.02663
  • Saturation pressure (bar)
    0.225338
  • Saturation temperature (°C)
    57.2643
  • Solubility parameter
    3.1200e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    1.44717
  • Specific heat capacity (kJ/kg·K)
    0.761657
  • Surface tension
    0.0478007
  • Thermal conductivity
    0.167111
  • Thermal diffusivity
    1.5176e-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