Properties of selenium
Thermophysical properties for selenium (CAS: 7782-49-2). 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
- AtomsSe: 1
- CAS7782-49-2
- FormulaSe
- ID7782-49-2
- InChISe
- InChI KeyBUGBHKTXTAQXES-UHFFFAOYSA-N
- IUPAC Nameselenium
- Molecular Weight (kg)78.96
- Phases
- PubChem ID6.3270e+6
- SMILES[Se]
- Synonyms
Physical Properties
- Acentric factor0.227
- Critical pressure (bar)271.551
- Critical temperature (°C)1492.85
- Critical volume (m³/kmol)0.0639386
- Dipole moment0
- Melting temperature (°C)220.8
- Normal boiling temperature (°C)685
State-dependent Properties
- API gravity-96.0715
- Compressibility factor7.5407e-4
- Density (kg/m³)4280
- Dynamic viscosity (cP)0
- Enthalpy of vaporization (mass) (kJ)1829.21
- Enthalpy of vaporization (molar) (kJ/kmol)1.4443e+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))25.0663
- Molar volume (m³/kmol)0.0184486
- Parachor1.6130e-5
- Poynting correction factor1.00081
- Prandtl number
- Saturation pressure (bar)1.2065e-12
- Saturation temperature (°C)684.801
- Solubility parameter8.4696e+4
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity4.28421
- Specific heat capacity (kJ/kg·K)0.317456
- Surface tension0.439913
- 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