Properties of isobutyl mercaptan
Thermophysical properties for isobutyl mercaptan (CAS: 513-44-0). 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 CalculatorIdentification
- AtomsC: 4, H: 10, S: 1
- CAS513-44-0
- FormulaC4H10S
- ID513-44-0
- InChIC4H10S/c1-4(2)3-5/h4-5H,3H2,1-2H3
- InChI KeyBDFAOUQQXJIZDG-UHFFFAOYSA-N
- IUPAC Name2-methylpropane-1-thiol
- Molecular Weight (kg)90.1872
- Phasel
- PubChem ID1.0558e+4
- SMILESCC(C)CS
- Synonyms
Physical Properties
- Acentric factor0.2485
- Critical pressure (bar)39
- Critical temperature (°C)283.85
- Critical volume (m³/kmol)0.307
- Dipole moment
- Melting temperature (°C)-145
- Normal boiling temperature (°C)88.5
State-dependent Properties
- API gravity39.008
- Compressibility factor0.00449545
- Density (kg/m³)820.01
- Dynamic viscosity (cP)0.328109
- Enthalpy of vaporization (mass) (kJ)372.857
- Enthalpy of vaporization (molar) (kJ/kmol)3.3627e+4
- Gibbs free energy (kJ/kmol)0
- Joule–Thomson coefficient-4.3966e-7
- Kinematic viscosity4.0013e-7
- Molar enthalpy (kJ/kmol)0
- Molar entropy (kJ/(kmol·K))0
- Molar heat capacity (kJ/(kmol·K))162.486
- Molar volume (m³/kmol)0.109983
- Parachor4.3257e-5
- Poynting correction factor1.00409
- Prandtl number4.76958
- Saturation pressure (bar)0.0938709
- Saturation temperature (°C)88.4946
- Solubility parameter1.6829e+4
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity0.820817
- Specific heat capacity (kJ/kg·K)1.80165
- Surface tension0.0235011
- Thermal conductivity0.123939
- Thermal diffusivity8.3892e-8
Safety Properties
- Autoignition temperature (°C)-273.15
- Flash point temperature (°C)-9.63513
- Lower flammability limit0.01617
- Upper flammability limit0.0923262
Environmental Properties
- Global warming potential
- Ozone depletion potential