- InChI
- InChI=1S/C16H48O8Si8/c1-25(2)17-26(3,4)19-28(7,8)21-30(11,12)23-32(15,16)24-31(13,14)22-29(9,10)20-27(5,6)18-25/h1-16H3
- InChI Key
- XKJMJYZFAWYREL-UHFFFAOYSA-N
- Formula
- C16H48O8Si8
- SMILES
-
C[Si]1(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)O[Si](C)(C)O1 - Molecular Weight1
- 593.23
- CAS
- 556-68-3
- Other Names
-
- Hexadecamethyl-cyclooctasioxane
- Hexadecamethylcyclooctasiloxane
- ΔvapH : Enthalpy of vaporization at a given temperature (kJ/mol).
- log10WS : Log10 of Water solubility in mol/l.
- logPoct/wat : Octanol/Water partition coefficient.
- Pvap : Vapor pressure (kPa).
- Inp : Non-polar retention indices.
- Tfus : Normal melting (fusion) point (K).
- 1: Molecular weight from the IUPAC atomic weights tables.
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Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| log10WS | 11.82 | Crippen Calculated Property | |
| logPoct/wat | 5.747 | Crippen Calculated Property | |
| Inp | [1688.00; 1712.00] |
|
|
| Inp | 1693.00 | NIST | |
| Inp | 1688.00 | NIST | |
| Inp | 1709.00 | NIST | |
| Inp | 1700.00 | NIST | |
| Inp | 1700.00 | NIST | |
| Inp | 1706.00 | NIST | |
| Inp | 1706.00 | NIST | |
| Inp | 1712.00 | NIST | |
| Inp | 1712.00 | NIST | |
| Inp | 1691.00 | NIST | |
| Inp | 1688.00 | NIST | |
| Inp | 1700.00 | NIST | |
| Inp | 1712.00 | NIST | |
| Tfus | 242.00 ± 0.10 | K | NIST |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| ΔvapH | [64.50; 66.60] | kJ/mol | [470.50; 515.00] |
|
| ΔvapH | 66.60 | kJ/mol | 470.50 | NIST |
| ΔvapH | 64.50 | kJ/mol | 515.00 | NIST |
| Pvap | [2.10e-03; 0.60] | kPa | [338.15; 418.15] |
|
| Pvap | 2.10e-03 | kPa | 338.15 | Tempera... |
| Pvap | 4.91e-03 | kPa | 348.15 | Tempera... |
| Pvap | 0.01 | kPa | 358.15 | Tempera... |
| Pvap | 0.02 | kPa | 368.15 | Tempera... |
| Pvap | 0.05 | kPa | 378.15 | Tempera... |
| Pvap | 0.09 | kPa | 388.15 | Tempera... |
| Pvap | 0.18 | kPa | 398.15 | Tempera... |
| Pvap | 0.33 | kPa | 408.15 | Tempera... |
| Pvap | 0.60 | kPa | 418.15 | Tempera... |
Similar Compounds
Find more compounds similar to Cyclooctasiloxane, hexadecamethyl-.
Sources
- Crippen Method
- Crippen Method
- Temperature-Dependent Vapor Pressure of Selected Cyclic and Linear Polydimethylsiloxane Oligomers
- NIST Webbook
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