Properties of hydrogen sulfide
Thermophysical properties for hydrogen sulfide (CAS: 7783-06-4). 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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Open CalculatorIdentification
- AtomsH: 2, S: 1
- CAS7783-06-4
- FormulaH2S
- ID7783-06-4
- InChIH2S/h1H2
- InChI KeyRWSOTUBLDIXVET-UHFFFAOYSA-N
- IUPAC Namesulfane
- Molecular Weight (kg)34.0809
- Phaseg
- PubChem ID402
- SMILESS
- Synonyms
Physical Properties
- Acentric factor0.1005
- Critical pressure (bar)90
- Critical temperature (°C)99.95
- Critical volume (m³/kmol)0.0981354
- Dipole moment0.97
- Melting temperature (°C)-85.5
- Normal boiling temperature (°C)-60.2951
State-dependent Properties
- Compressibility factor1
- Density (kg/m³)1.39302
- Dynamic viscosity (cP)0.0123868
- Enthalpy of vaporization (mass) (kJ)415.77
- Enthalpy of vaporization (molar) (kJ/kmol)1.4170e+4
- Gibbs free energy (kJ/kmol)0
- Joule–Thomson coefficient2.5676e-13
- Kinematic viscosity8.8920e-6
- Molar enthalpy (kJ/kmol)0
- Molar entropy (kJ/(kmol·K))0
- Molar heat capacity (kJ/(kmol·K))34.1085
- Molar volume (m³/kmol)24.4654
- Parachor
- Poynting correction factor
- Prandtl number0.708621
- Saturation pressure (bar)20.1732
- Saturation temperature (°C)-60.2951
- Solubility parameter
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity1.1761
- Specific heat capacity (kJ/kg·K)1.00081
- Surface tension0.0113126
- Thermal conductivity0.0174943
- Thermal diffusivity1.2548e-5
Safety Properties
- Autoignition temperature (°C)260
- Flash point temperature (°C)-273.15
- Lower flammability limit0.04
- Upper flammability limit0.455
Environmental Properties
- Global warming potential
- Ozone depletion potential
Failed Properties:
- API gravityFailed