Properties of disilane
Thermophysical properties for disilane (CAS: 1590-87-0). 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: 6, Si: 2
- CAS1590-87-0
- FormulaH6Si2
- ID1590-87-0
- InChIH6Si2/c1-2/h1-2H3
- InChI KeyPZPGRFITIJYNEJ-UHFFFAOYSA-N
- IUPAC Namesilylsilane
- Molecular Weight (kg)62.2186
- Phaseg
- PubChem ID7.4123e+4
- SMILES[SiH3][SiH3]
- Synonyms
Physical Properties
- Acentric factor0.0939
- Critical pressure (bar)51.3
- Critical temperature (°C)158.85
- Critical volume (m³/kmol)0.223
- Dipole moment0
- Melting temperature (°C)-129.4
- Normal boiling temperature (°C)-14.8
State-dependent Properties
- API gravity68.4763
- Compressibility factor1
- Density (kg/m³)2.54313
- Dynamic viscosity (cP)0.00946579
- Enthalpy of vaporization (mass) (kJ)302.977
- Enthalpy of vaporization (molar) (kJ/kmol)1.8851e+4
- Gibbs free energy (kJ/kmol)0
- Joule–Thomson coefficient1.4415e-13
- Kinematic viscosity3.7221e-6
- Molar enthalpy (kJ/kmol)0
- Molar entropy (kJ/(kmol·K))0
- Molar heat capacity (kJ/(kmol·K))60.7554
- Molar volume (m³/kmol)24.4654
- Parachor3.0317e-5
- Poynting correction factor0.991003
- Prandtl number0.764509
- Saturation pressure (bar)3.51185
- Saturation temperature (°C)-13.7215
- Solubility parameter1.3512e+4
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity2.14711
- Specific heat capacity (kJ/kg·K)0.976482
- Surface tension0.0128769
- Thermal conductivity0.0120903
- Thermal diffusivity4.8686e-6
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