- InChI
- InChI=1S/C12H30OSi2/c1-7-14(8-2,9-3)13-15(10-4,11-5)12-6/h7-12H2,1-6H3
- InChI Key
- WILBTFWIBAOWLN-UHFFFAOYSA-N
- Formula
- C12H30OSi2
- SMILES
- CC[Si](CC)(CC)O[Si](CC)(CC)CC
- Molecular Weight1
- 246.54
- CAS
- 994-49-0
- Other Names
-
- Hexaethyldisiloxane
- 1,1,1,3,3,3-Hexaethyldisiloxane
- ω : Acentric Factor.
- Cp,liquid : Liquid phase heat capacity (J/mol×K).
- ΔfG° : Standard Gibbs free energy of formation (kJ/mol).
- ΔfH°gas : Enthalpy of formation at standard conditions (kJ/mol).
- ΔfusH : Enthalpy of fusion at a given temperature (kJ/mol).
- ΔvapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
- IE : Ionization energy (eV).
- log10WS : Log10 of Water solubility in mol/l.
- logPoct/wat : Octanol/Water partition coefficient.
- Pc : Critical Pressure (kPa).
- S°liquid : Liquid phase molar entropy at standard conditions (J/mol×K).
- Tboil : Normal Boiling Point Temperature (K).
- Tboilr : Boiling point at reduced pressure (K).
- Tc : Critical Temperature (K).
- Tfus : Normal melting (fusion) point (K).
- Vc : Critical Volume (m3/kmol).
- 1: Molecular weight from the IUPAC atomic weights tables.
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Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| ω | 0.5260 | Relay (1.0) Calculated Property | |
| ΔfG° | -59.23 | kJ/mol | Relay (1.0-beta) Calculated Property |
| ΔfH°gas | -547.50 | kJ/mol | Relay (1.0) Calculated Property |
| ΔvapH° | 58.49 | kJ/mol | Relay (1.0) Calculated Property |
| IE | 8.41 | eV | Relay (1.0) Calculated Property |
| log10WS | -2.16 | Relay (1.0) Calculated Property | |
| logPoct/wat | 5.013 | Crippen Calculated Property | |
| Pc | 1918.18 | kPa | Relay (1.0-beta) Calculated Property |
| S°liquid | 622.70 | J/mol×K | NIST |
| Tboil | 505.99 | K | Relay (1.0) Calculated Property |
| Tc | 680.55 | K | Relay (1.0) Calculated Property |
| Tfus | 212.77 | K | Relay (1.0) Calculated Property |
| Vc | 0.836 | m3/kmol | Relay (1.0) Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,liquid | 460.00 | J/mol×K | 298.15 | NIST |
| ΔfusH | 21.40 | kJ/mol | 199.57 | NIST |
Pressure Dependent Properties
| Property | Value | Unit | Pressure (kPa) | Source |
|---|---|---|---|---|
| Tboilr | 402.00 | K | 4.00 | NIST |
Similar Compounds
Find more compounds similar to Disiloxane, hexaethyl-.
Sources
- Cheméo Relay (1.0)
- Cheméo Relay (1.0, beta) Beta: served but experimental, data-limited and below our cross-validation release bar; the Joback value is recommended where available.
- Crippen Method
- Crippen Method
- NIST Webbook
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