Properties of 2-methyl-2-propanethiol

Thermophysical properties for 2-methyl-2-propanethiol (CAS: 75-66-1). 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

Need properties at a different state? Use our interactive calculator.

Open Calculator

Identification

  • Atoms
    C: 4, H: 10, S: 1
  • CAS
    75-66-1
  • Formula
    C4H10S
  • ID
    75-66-1
  • InChI
    C4H10S/c1-4(2,3)5/h5H,1-3H3
  • InChI Key
    WMXCDAVJEZZYLT-UHFFFAOYSA-N
  • IUPAC Name
    2-methylpropane-2-thiol
  • Molecular Weight (kg)
    90.1872
  • Phase
    l
  • PubChem ID
    6387
  • SMILES
    CC(C)(C)S
  • Synonyms

Physical Properties

  • Acentric factor
    0.2187
  • Critical pressure (bar)
    37.9969
  • Critical temperature (°C)
    249.85
  • Critical volume (m³/kmol)
    0.314
  • Dipole moment
  • Melting temperature (°C)
    0.25
  • Normal boiling temperature (°C)
    64.2

State-dependent Properties

  • API gravity
    45.2462
  • Compressibility factor
    0.00466531
  • Density (kg/m³)
    790.155
  • Dynamic viscosity (cP)
    0.583977
  • Enthalpy of vaporization (mass) (kJ)
    328.459
  • Enthalpy of vaporization (molar) (kJ/kmol)
    2.9623e+4
  • Gibbs free energy (kJ/kmol)
    0
  • Joule–Thomson coefficient
    -4.2978e-7
  • Kinematic viscosity
    7.3907e-7
  • Molar enthalpy (kJ/kmol)
    0
  • Molar entropy (kJ/(kmol·K))
    0
  • Molar heat capacity (kJ/(kmol·K))
    162.486
  • Molar volume (m³/kmol)
    0.114139
  • Parachor
    4.3189e-5
  • Poynting correction factor
    1.00356
  • Prandtl number
    9.19719
  • Saturation pressure (bar)
    0.241921
  • Saturation temperature (°C)
    64.2164
  • Solubility parameter
    1.5421e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    0.790933
  • Specific heat capacity (kJ/kg·K)
    1.80165
  • Surface tension
    0.0201201
  • Thermal conductivity
    0.114396
  • Thermal diffusivity
    8.0358e-8

Safety Properties

  • Autoignition temperature (°C)
    -273.15
  • Flash point temperature (°C)
    -24.1328
  • Lower flammability limit
    0.0162185
  • Upper flammability limit
    0.0925568

Environmental Properties

  • Global warming potential
  • Ozone depletion potential