- InChI
- InChI=1S/C7H22O2Si3/c1-10(8-11(2,3)4)9-12(5,6)7/h10H,1-7H3
- InChI Key
- QNWOFLWXQGHSRH-UHFFFAOYSA-N
- Formula
- C7H22O2Si3
- SMILES
-
C[SiH](O[Si](C)(C)C)O[Si](C)(C
)C - Molecular Weight1
- 222.50
- CAS
- 1873-88-7
- Other Names
-
- Bis(trimethylsiloxy)methylsilane
- Trisiloxane, 1,1,1,3,5,5,5-heptamethyl-
- 3H-Heptamethyltrisiloxane
- 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 | 0.4282 | Relay (... Calculated Property | |
| ΔfG° | -169.94 | kJ/mol | Relay (... Calculated Property ⚠️ |
| ΔfH°gas | -813.55 | kJ/mol | Relay (... Calculated Property |
| ΔvapH° | 44.84 | kJ/mol | Relay (... Calculated Property |
| IE | 10.05 | eV | Relay (... Calculated Property |
| log10WS | -1.24 | Relay (... Calculated Property | |
| logPoct/wat | 2.540 | Crippen Calculated Property | |
| Pc | 1481.00 ± 1.47 | kPa | NIST |
| Tboil | 415.78 ± 0.40 | K | NIST |
| Tc | 553.40 ± 0.55 | K | NIST |
| Tfus | 238.10 | K | Relay (... Calculated Property |
| Vc | 0.767 | m3/kmol | Relay (... Calculated Property |
Similar Compounds
Find more compounds similar to 1,1,1,3,5,5,5-Heptamethyltrisiloxane.
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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