Properties of astatine
Thermophysical properties for astatine (CAS: 7440-68-8). 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
- AtomsAt: 1
- CAS7440-68-8
- FormulaAt
- ID7440-68-8
- InChIAt
- InChI KeyRYXHOMYVWAEKHL-UHFFFAOYSA-N
- IUPAC Nameastatine
- Molecular Weight (kg)210
- Phases
- PubChem ID5.4605e+6
- SMILES[At]
- Synonyms
Physical Properties
- Acentric factor0.641
- Critical pressure (bar)1236.3
- Critical temperature (°C)823.22
- Critical volume (m³/kmol)0.02212
- Dipole moment
- Melting temperature (°C)302
- Normal boiling temperature (°C)333.85
State-dependent Properties
- API gravity-127.019
- Compressibility factor2.5140e-4
- Density (kg/m³)3.4143e+4
- Dynamic viscosity (cP)0
- Enthalpy of vaporization (mass) (kJ)647.858
- Enthalpy of vaporization (molar) (kJ/kmol)1.3605e+5
- Gibbs free energy (kJ/kmol)0
- Joule–Thomson coefficient
- Kinematic viscosity
- Molar enthalpy (kJ/kmol)0
- Molar entropy (kJ/(kmol·K))0
- Molar heat capacity (kJ/(kmol·K))10.3944
- Molar volume (m³/kmol)0.00615069
- Parachor5.9473e-6
- Poynting correction factor1.00027
- Prandtl number
- Saturation pressure (bar)2.3964e-11
- Saturation temperature (°C)348.596
- Solubility parameter1.4148e+5
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity34.1761
- Specific heat capacity (kJ/kg·K)0.0494971
- Surface tension0.630399
- Thermal conductivity
- Thermal diffusivity
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