- InChI
- InChI=1S/C16H48O6Si7/c1-23(2,3)17-25(7,8)19-27(11,12)21-29(15,16)22-28(13,14)20-26(9,10)18-24(4,5)6/h1-16H3
- InChI Key
- NFVSFLUJRHRSJG-UHFFFAOYSA-N
- Formula
- C16H48O6Si7
- SMILES
-
C[Si](C)(C)O[Si](C)(C)O[Si](C)
(C)O[Si](C)(C)O[Si](C)(C)O[Si] (C)(C)O[Si](C)(C)C - Molecular Weight1
- 533.15
- CAS
- 541-01-5
- Other Names
-
- Hexadecamethylheptasiloxane
- 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).
- ΔvapH : Enthalpy of vaporization at a given temperature (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 | 0.7449 | Relay (... Calculated Property | |
| ΔfG° | -475.84 | kJ/mol | Relay (... Calculated Property ⚠️ |
| ΔfH°gas | -1984.02 | kJ/mol | Relay (... Calculated Property |
| ΔvapH° | 66.23 | kJ/mol | Relay (... Calculated Property |
| IE | 10.26 | eV | Relay (... Calculated Property |
| log10WS | -3.47 | Relay (... Calculated Property | |
| logPoct/wat | 6.265 | Crippen Calculated Property | |
| Pc | -107.06 | kPa | Relay (... Calculated Property ⚠️ |
| Tboil | 536.96 | K | Relay (... Calculated Property |
| Tc | 651.52 | K | Relay (... Calculated Property |
| Tfus | 249.16 | K | Relay (... Calculated Property |
| Vc | 1.882 | m3/kmol | Relay (... Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| ΔvapH | [60.80; 63.80] | kJ/mol | [455.50; 497.00] | 
|
| ΔvapH | 63.80 | kJ/mol | 455.50 | NIST |
| ΔvapH | 60.80 | kJ/mol | 497.00 | NIST |
Similar Compounds
Find more compounds similar to Heptasiloxane, hexadecamethyl-.
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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