Properties of boron
Thermophysical properties for boron (CAS: 7440-42-8). 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
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Open CalculatorIdentification
- AtomsB: 1
- CAS7440-42-8
- FormulaB
- ID7440-42-8
- InChIB
- InChI KeyZOXJGFHDIHLPTG-UHFFFAOYSA-N
- IUPAC Nameboron
- Molecular Weight (kg)10.811
- Phases
- PubChem ID5.4623e+6
- SMILES[B]
- Synonyms
Physical Properties
- Acentric factor0.826
- Critical pressure (bar)8417.5
- Critical temperature (°C)7661.44
- Critical volume (m³/kmol)0.02351
- Dipole moment0
- Melting temperature (°C)2077
- Normal boiling temperature (°C)4000
State-dependent Properties
- API gravity-63.5381
- Compressibility factor1.8882e-4
- Density (kg/m³)2340.22
- 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
- Kinematic viscosity
- Molar enthalpy (kJ/kmol)0
- Molar entropy (kJ/(kmol·K))0
- Molar heat capacity (kJ/(kmol·K))11.2161
- Molar volume (m³/kmol)0.00461966
- Parachor
- Poynting correction factor1.00021
- Prandtl number
- Saturation pressure (bar)5.3532e-204
- Saturation temperature (°C)4023.4
- Solubility parameter
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity2.34252
- Specific heat capacity (kJ/kg·K)1.03747
- Surface tension
- 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