Properties of methanesulfonic acid

Thermophysical properties for methanesulfonic acid (CAS: 75-75-2). 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
    C: 1, H: 4, O: 3, S: 1
  • CAS
    75-75-2
  • Formula
    CH4O3S
  • ID
    75-75-2
  • InChI
    CH4O3S/c1-5(2,3)4/h1H3,(H,2,3,4)
  • InChI Key
    AFVFQIVMOAPDHO-UHFFFAOYSA-N
  • IUPAC Name
    methanesulfonic acid
  • Molecular Weight (kg)
    96.1057
  • Phase
    l
  • PubChem ID
    6395
  • SMILES
    CS(=O)(=O)O
  • Synonyms

Physical Properties

  • Acentric factor
    0.686357
  • Critical pressure (bar)
    85.6836
  • Critical temperature (°C)
    562.614
  • Critical volume (m³/kmol)
    0.22
  • Dipole moment
  • Melting temperature (°C)
    20
  • Normal boiling temperature (°C)
    287.85

State-dependent Properties

  • API gravity
    -31.9029
  • Compressibility factor
    0.00277808
  • Density (kg/m³)
    1414.01
  • Dynamic viscosity (cP)
    1.34789
  • Enthalpy of vaporization (mass) (kJ)
    996.439
  • Enthalpy of vaporization (molar) (kJ/kmol)
    9.5763e+4
  • Gibbs free energy (kJ/kmol)
    0
  • Joule–Thomson coefficient
    -5.3199e-7
  • Kinematic viscosity
    9.5324e-7
  • Molar enthalpy (kJ/kmol)
    0
  • Molar entropy (kJ/(kmol·K))
    0
  • Molar heat capacity (kJ/(kmol·K))
    112.394
  • Molar volume (m³/kmol)
    0.0679669
  • Parachor
    3.2237e-5
  • Poynting correction factor
    1.00278
  • Prandtl number
    7.64316
  • Saturation pressure (bar)
    8.8337e-7
  • Saturation temperature (°C)
    287.204
  • Solubility parameter
    3.7047e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    1.4154
  • Specific heat capacity (kJ/kg·K)
    1.16948
  • Surface tension
    0.0500508
  • Thermal conductivity
    0.206241
  • Thermal diffusivity
    1.2472e-7

Safety Properties

  • Autoignition temperature (°C)
    -273.15
  • Flash point temperature (°C)
    -273.15
  • Lower flammability limit
    0.162722
  • Upper flammability limit
    1.0355

Environmental Properties

  • Global warming potential
  • Ozone depletion potential