- InChI
- InChI=1S/Cl2H2Si/c1-3-2/h3H2
- InChI Key
- MROCJMGDEKINLD-UHFFFAOYSA-N
- Formula
- Cl2H2Si
- SMILES
- Cl[SiH2]Cl
- Molecular Weight1
- 101.01
- CAS
- 4109-96-0
- Other Names
-
- silane, dichloro-
- Cp,gas : Ideal gas heat capacity (J/mol×K).
- ΔvapH : Enthalpy of vaporization at a given temperature (kJ/mol).
- IE : Ionization energy (eV).
- logPoct/wat : Octanol/Water partition coefficient.
- Pc : Critical Pressure (kPa).
- Pvap : Vapor pressure (kPa).
- ρg : Gas Density (kg/m3).
- ρl : Liquid Density (kg/m3).
- Tboil : Normal Boiling Point Temperature (K).
- Tboilr : Boiling point at reduced pressure (K).
- Tc : Critical Temperature (K).
- Tfus : Normal melting (fusion) point (K).
- 1: Molecular weight from the IUPAC atomic weights tables.
Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| IE | [11.64; 11.70] | eV |
|
| IE | 11.70 | eV | NIST |
| IE | 11.70 | eV | NIST |
| IE | 11.64 ± 0.02 | eV | NIST |
| logPoct/wat | 0.463 | Crippen Calculated Property | |
| Pc | 4378.00 | kPa | Air Liquide Gas Encyclopedia |
| Tboil | 281.55 | K | Air Liquide Gas Encyclopedia |
| Tc | 449.45 | K | Air Liquide Gas Encyclopedia |
| Tfus | [151.15; 151.15] | K |
|
| Tfus | 151.15 | K | Jean-Claude Bradley Open Melting Point Dataset (2014, CC0) Compiled value |
| Tfus | 151.15 | K | Air Liquide Gas Encyclopedia |
Cheméo can also estimate Critical Volume, Enthalpy of formation at standard conditions, Enthalpy of vaporization at standard conditions, Standard Gibbs free energy of formation, Acentric Factor, Log10 of Water solubility in mol/l for this compound, but they fall outside the models' validated range, so they are not shown here. Open the prediction tool to compute them on demand.
Temperature Dependent Properties
Pressure Dependent Properties
| Property | Value | Unit | Pressure (kPa) | Source |
|---|---|---|---|---|
| Tboilr | 281.30 | K | 101.00 | NIST |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [62.12; 101.03] | J/mol×K | [298.00; 1500.00] |
NIST
|
| Equation | Y = A + B·t + C·t² + D·t³ + E/t², t = T/1000 Y is Cp,gas in J/mol×K, T in K | |||
| Coefficient A | 5.01042e+01 | |||
| Coefficient B | 8.43494e+01 | |||
| Coefficient C | -5.00042e+01 | |||
| Coefficient D | 1.10412e+01 | |||
| Coefficient E | -7.97169e-01 | |||
| Reference | Chase, 1998 | |||
| Comment | F=-341.4382, G=319.8513, H=-320.4944; Data last reviewed in December, 1976 | |||
| Temperature range, min. | 298.00 | |||
| Temperature range, max. | 1500.00 | |||
| Cp,gas | 62.12 | J/mol×K | 298.00 | Calculated Property |
| Cp,gas | 73.80 | J/mol×K | 431.56 | Calculated Property |
| Cp,gas | 81.30 | J/mol×K | 565.11 | Calculated Property |
| Cp,gas | 86.76 | J/mol×K | 698.67 | Calculated Property |
| Cp,gas | 90.88 | J/mol×K | 832.22 | Calculated Property |
| Cp,gas | 94.02 | J/mol×K | 965.78 | Calculated Property |
| Cp,gas | 96.41 | J/mol×K | 1099.33 | Calculated Property |
| Cp,gas | 98.26 | J/mol×K | 1232.89 | Calculated Property |
| Cp,gas | 99.74 | J/mol×K | 1366.44 | Calculated Property |
| Cp,gas | 101.03 | J/mol×K | 1500.00 | Calculated Property |
| Cp,gas | [100.96; 107.58] | J/mol×K | [1500.00; 6000.00] |
NIST
|
| Equation | Y = A + B·t + C·t² + D·t³ + E/t², t = T/1000 Y is Cp,gas in J/mol×K, T in K | |||
| Coefficient A | 1.04780e+02 | |||
| Coefficient B | 1.61779e+00 | |||
| Coefficient C | -2.94719e-01 | |||
| Coefficient D | 1.87770e-02 | |||
| Coefficient E | -1.27012e+01 | |||
| Reference | Chase, 1998 | |||
| Comment | F=-380.2854, G=375.6132, H=-320.4944; Data last reviewed in December, 1976 | |||
| Temperature range, min. | 1500.00 | |||
| Temperature range, max. | 6000.00 | |||
| Cp,gas | 100.96 | J/mol×K | 1500.00 | Calculated Property |
| Cp,gas | 103.81 | J/mol×K | 2000.00 | Calculated Property |
| Cp,gas | 105.24 | J/mol×K | 2500.00 | Calculated Property |
| Cp,gas | 106.08 | J/mol×K | 3000.00 | Calculated Property |
| Cp,gas | 106.60 | J/mol×K | 3500.00 | Calculated Property |
| Cp,gas | 106.94 | J/mol×K | 4000.00 | Calculated Property |
| Cp,gas | 107.18 | J/mol×K | 4500.00 | Calculated Property |
| Cp,gas | 107.34 | J/mol×K | 5000.00 | Calculated Property |
| Cp,gas | 107.47 | J/mol×K | 5500.00 | Calculated Property |
| Cp,gas | 107.58 | J/mol×K | 6000.00 | Calculated Property |
Similar Compounds
Find more compounds similar to Dichlorosilane.
Mixtures
Sources
- Air Liquide Gas Encyclopedia
- Jean-Claude Bradley Open Melting Point Dataset (2014, CC0) ChEDL chemicals 1.5.2, from Bradley, J.-C.; Williams, A.; Lang, A. Jean-Claude Bradley Open Melting Point Dataset. Figshare, 2014 (CC0).
- Crippen Method
- Crippen Method
- Phase equilibrium data for potentially hazardous binary mixtures involving dichlorosilane, trichlorosilane and silicon-tetrachloride
- Vapor Pressure of Dichlorosilane, Trichlorosilane, and Tetrachlorosilane from 300 K to 420 K
- NIST Webbook
Note: Cheméo is only indexing the data, follow the source links to retrieve the latest data. The source is also providing more information like the publication year, authors and more.
Take the time to validate and double check the source of the data.
Calculated This icon marks a calculated value or equation: a prediction, not a measurement.
Compiled This icon marks a compiled value or equation: taken from a data compilation such as ChemSep, not from an original measurement report.
These property values are available through the Cheméo API. A free account gives you an access key.