Properties of chlorosulfuric acid

Thermophysical properties for chlorosulfuric acid (CAS: 7790-94-5). 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

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Identification

  • Atoms
    Cl: 1, H: 1, O: 3, S: 1
  • CAS
    7790-94-5
  • Formula
    ClHO3S
  • ID
    7790-94-5
  • InChI
    ClHO3S/c1-5(2,3)4/h(H,2,3,4)
  • InChI Key
    XTHPWXDJESJLNJ-UHFFFAOYSA-N
  • IUPAC Name
    sulfurochloridic acid
  • Molecular Weight (kg)
    116.524
  • Phase
    l
  • PubChem ID
    2.4638e+4
  • SMILES
    OS(=O)(=O)Cl
  • Synonyms

Physical Properties

  • Acentric factor
    0.301
  • Critical pressure (bar)
    85
  • Critical temperature (°C)
    426.85
  • Critical volume (m³/kmol)
    0.195
  • Dipole moment
  • Melting temperature (°C)
    -80
  • Normal boiling temperature (°C)
    152

State-dependent Properties

  • API gravity
    -50.7259
  • Compressibility factor
    0.00272148
  • Density (kg/m³)
    1750.08
  • Dynamic viscosity (cP)
    0.852088
  • Enthalpy of vaporization (mass) (kJ)
    424.107
  • Enthalpy of vaporization (molar) (kJ/kmol)
    4.9419e+4
  • Gibbs free energy (kJ/kmol)
    0
  • Joule–Thomson coefficient
    -8.2518e-7
  • Kinematic viscosity
    4.8689e-7
  • Molar enthalpy (kJ/kmol)
    0
  • Molar entropy (kJ/(kmol·K))
    0
  • Molar heat capacity (kJ/(kmol·K))
    80.6921
  • Molar volume (m³/kmol)
    0.0665822
  • Parachor
    3.2625e-5
  • Poynting correction factor
    1.00271
  • Prandtl number
    4.24253
  • Saturation pressure (bar)
    0.00438554
  • Saturation temperature (°C)
    154.062
  • Solubility parameter
    2.6552e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    1.7518
  • Specific heat capacity (kJ/kg·K)
    0.692492
  • Surface tension
    0.0570211
  • Thermal conductivity
    0.139083
  • Thermal diffusivity
    1.1476e-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