- InChI
- InChI=1S/C5H16OSi2/c1-7(2)6-8(3,4)5/h7H,1-5H3
- InChI Key
- AOJHDNSYXUZCCE-UHFFFAOYSA-N
- Formula
- C5H16OSi2
- SMILES
- C[SiH](C)O[Si](C)(C)C
- Molecular Weight1
- 148.35
- CAS
- 1438-82-0
- Other Names
-
- Pentamethyldisiloxane
- 1,1,1,3,3-Pentamethyldisiloxane
- ω : Acentric Factor.
- ΔfG° : Standard Gibbs free energy of formation (kJ/mol).
- ΔfH°gas : Enthalpy of formation at standard conditions (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).
- 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 |
|---|---|---|---|
| ω | 0.3240 | Relay (1.0) Calculated Property | |
| ΔfG° | -92.39 | kJ/mol | Relay (1.0-beta) Calculated Property |
| ΔfH°gas | -517.44 | kJ/mol | Relay (1.0) Calculated Property |
| ΔvapH° | 37.57 | kJ/mol | Relay (1.0) Calculated Property |
| IE | 9.99 | eV | Relay (1.0) Calculated Property |
| log10WS | -0.47 | Relay (1.0) Calculated Property | |
| logPoct/wat | 1.821 | Crippen Calculated Property | |
| Pc | 2172.55 | kPa | Relay (1.0-beta) Calculated Property |
| Tboil | 359.50 ± 0.50 | K | NIST |
| Tc | 485.00 | K | Relay (1.0) Calculated Property |
| Tfus | 179.47 | K | Relay (1.0) Calculated Property |
| Vc | 0.511 | m3/kmol | Relay (1.0) Calculated Property |
Similar Compounds
Find more compounds similar to Disiloxane, pentamethyl-.
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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