- InChI
- InChI=1S/C8H24O12Si8/c1-21-9-22(2)12-25(5)14-23(3,10-21)16-27(7)17-24(4,11-21)15-26(6,13-22)19-28(8,18-25)20-27/h1-8H3
- InChI Key
- SOQGBGSEJYZNPS-UHFFFAOYSA-N
- Formula
- C8H24O12Si8
- SMILES
-
C[Si]12O[Si]3(C)O[Si]4(C)O[Si]
(C)(O1)O[Si]1(C)O[Si](C)(O2)O[ Si](C)(O3)O[Si](C)(O4)O1 - Molecular Weight1
- 536.96
- Other Names
-
- Octasilsesquioxane, octamethyl-
- Permethyloctasilsesquioxane
- ΔvapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
- logPoct/wat : Octanol/Water partition coefficient.
- Pc : Critical Pressure (kPa).
- Tboil : Normal Boiling Point Temperature (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 |
|---|---|---|---|
| ΔvapH° | 84.04 | kJ/mol | Relay (1.0) Calculated Property |
| logPoct/wat | 0.803 | Crippen Calculated Property | |
| Pc | 714.92 | kPa | Relay (1.0-beta) Calculated Property |
| Tboil | 474.86 | K | Relay (1.0) Calculated Property |
| Tc | 735.97 | K | Relay (1.0) Calculated Property |
| Tfus | 353.51 | K | Relay (1.0) Calculated Property |
| Vc | 1.724 | m3/kmol | Relay (1.0) Calculated Property |
Cheméo can also estimate Enthalpy of formation at standard conditions, Standard Gibbs free energy of formation, Acentric Factor, Ionization energy, 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.
Similar Compounds
Find more compounds similar to PERMETHYLOCTASILSESQUIOXANE.
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
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.