Properties of dihydrogen tetrasulfide
Thermophysical properties for dihydrogen tetrasulfide (CAS: 13845-25-5). 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
Need properties at a different state? Use our interactive calculator.
Open CalculatorIdentification
- AtomsH: 2, S: 4
- CAS13845-25-5
- FormulaH2S4
- ID13845-25-5
- InChIH2S4/c1-3-4-2/h1-2H
- InChI KeyIKRMQEUTISXXQP-UHFFFAOYSA-N
- IUPAC Namedihydrogen tetrasulfide
- Molecular Weight (kg)130.276
- Phasel
- PubChem ID8.2836e+4
- SMILESSSSS
- Synonyms
Physical Properties
- Acentric factor
- Critical pressure (bar)89.6752
- Critical temperature (°C)483.128
- Critical volume (m³/kmol)0.2515
- Dipole moment
- Melting temperature (°C)-41.67
- Normal boiling temperature (°C)189.73
State-dependent Properties
- API gravity62.3991
- Compressibility factor0.00708073
- Density (kg/m³)752.028
- Dynamic viscosity (cP)0
- Enthalpy of vaporization (mass) (kJ)0
- Enthalpy of vaporization (molar) (kJ/kmol)
- Gibbs free energy (kJ/kmol)0
- Joule–Thomson coefficient-4.1484e-6
- Kinematic viscosity
- Molar enthalpy (kJ/kmol)0
- Molar entropy (kJ/(kmol·K))0
- Molar heat capacity (kJ/(kmol·K))81.4351
- Molar volume (m³/kmol)0.173233
- Parachor8.9062e-5
- Poynting correction factor1.0071
- Prandtl number
- Saturation pressure (bar)1.6380e-4
- Saturation temperature (°C)239.993
- Solubility parameter
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity0.752767
- Specific heat capacity (kJ/kg·K)0.625098
- Surface tension0.0679055
- Thermal conductivity0.12538
- Thermal diffusivity2.6671e-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