Properties of perchloric acid

Thermophysical properties for perchloric acid (CAS: 7601-90-3). 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: 4
  • CAS
    7601-90-3
  • Formula
    ClHO4
  • ID
    7601-90-3
  • InChI
    ClHO4/c2-1(3,4)5/h(H,2,3,4,5)
  • InChI Key
    VLTRZXGMWDSKGL-UHFFFAOYSA-N
  • IUPAC Name
    perchloric acid
  • Molecular Weight (kg)
    100.459
  • Phase
    l
  • PubChem ID
    2.4247e+4
  • SMILES
    OCl(=O)(=O)=O
  • Synonyms

Physical Properties

  • Acentric factor
    0.0498
  • Critical pressure (bar)
    38.6
  • Critical temperature (°C)
    357.85
  • Critical volume (m³/kmol)
    0.168
  • Dipole moment
  • Melting temperature (°C)
    -17
  • Normal boiling temperature (°C)
    111.85

State-dependent Properties

  • API gravity
    -51.6472
  • Compressibility factor
    0.0023195
  • Density (kg/m³)
    1770.27
  • Dynamic viscosity (cP)
    0.289186
  • Enthalpy of vaporization (mass) (kJ)
    305.765
  • Enthalpy of vaporization (molar) (kJ/kmol)
    3.0717e+4
  • Gibbs free energy (kJ/kmol)
    0
  • Joule–Thomson coefficient
    -7.1328e-7
  • Kinematic viscosity
    1.6336e-7
  • Molar enthalpy (kJ/kmol)
    0
  • Molar entropy (kJ/(kmol·K))
    0
  • Molar heat capacity (kJ/(kmol·K))
    79.5664
  • Molar volume (m³/kmol)
    0.0567475
  • Parachor
    2.3895e-5
  • Poynting correction factor
    1.00217
  • Prandtl number
    1.8302
  • Saturation pressure (bar)
    0.0672685
  • Saturation temperature (°C)
    110.012
  • Solubility parameter
    2.2307e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    1.77201
  • Specific heat capacity (kJ/kg·K)
    0.792032
  • Surface tension
    0.0311458
  • Thermal conductivity
    0.125147
  • Thermal diffusivity
    8.9256e-8

Safety Properties

  • Autoignition temperature (°C)
    -273.15
  • Flash point temperature (°C)
    -273.15
  • Lower flammability limit
    0.680846
  • Upper flammability limit
    0.231766

Environmental Properties

  • Global warming potential
  • Ozone depletion potential