Properties of fluorosulfonic acid
Thermophysical properties for fluorosulfonic acid (CAS: 7789-21-1). 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 CalculatorIdentification
- AtomsF: 1, H: 1, O: 3, S: 1
- CAS7789-21-1
- FormulaFHO3S
- ID7789-21-1
- InChIFHO3S/c1-5(2,3)4/h(H,2,3,4)
- InChI KeyUQSQSQZYBQSBJZ-UHFFFAOYSA-N
- IUPAC Namesulfurofluoridic acid
- Molecular Weight (kg)100.07
- Phasel
- PubChem ID2.4603e+4
- SMILESOS(=O)(=O)F
- Synonyms
Physical Properties
- Acentric factor0.286659
- Critical pressure (bar)84.17
- Critical temperature (°C)441.85
- Critical volume (m³/kmol)0.18
- Dipole moment
- Melting temperature (°C)-87.3
- Normal boiling temperature (°C)163
State-dependent Properties
- API gravity-49.6032
- Compressibility factor0.00236966
- Density (kg/m³)1726.09
- Dynamic viscosity (cP)0.783483
- Enthalpy of vaporization (mass) (kJ)499.768
- Enthalpy of vaporization (molar) (kJ/kmol)5.0012e+4
- Gibbs free energy (kJ/kmol)0
- Joule–Thomson coefficient-7.2896e-7
- Kinematic viscosity4.5391e-7
- Molar enthalpy (kJ/kmol)0
- Molar entropy (kJ/(kmol·K))0
- Molar heat capacity (kJ/(kmol·K))79.5346
- Molar volume (m³/kmol)0.0579748
- Parachor2.8987e-5
- Poynting correction factor1.00237
- Prandtl number4.06056
- Saturation pressure (bar)9.2719e-4
- Saturation temperature (°C)162.602
- Solubility parameter2.8634e+4
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity1.72778
- Specific heat capacity (kJ/kg·K)0.794794
- Surface tension0.0619088
- Thermal conductivity0.153355
- Thermal diffusivity1.1178e-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