- InChI
- InChI=1S/C20H60O10Si10/c1-31(2)21-32(3,4)23-34(7,8)25-36(11,12)27-38(15,16)29-40(19,20)30-39(17,18)28-37(13,14)26-35(9,10)24-33(5,6)22-31/h1-20H3
- InChI Key
- CDNNKGWZSNSADW-UHFFFAOYSA-N
- Formula
- C20H60O10Si10
- 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)O[Si ](C)(C)O[Si](C)(C)O1 - Molecular Weight1
- 741.54
- CAS
- 18772-36-6
- Other Names
-
- Eicosamethyl-cyclodecasiloxane
- icosamethylcyclodecasiloxane
- ω : Acentric Factor.
- ΔfG° : Standard Gibbs free energy of formation (kJ/mol).
- ΔfH°gas : Enthalpy of formation at standard conditions (kJ/mol).
- ΔfusH : Enthalpy of fusion at a given temperature (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).
- Pvap : Vapor pressure (kPa).
- Inp : Non-polar retention indices.
- 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 | 0.7443 | Relay (... Calculated Property | |
| ΔfG° | -752.26 | kJ/mol | Relay (... Calculated Property ⚠️ |
| ΔfH°gas | -3067.86 | kJ/mol | Relay (... Calculated Property |
| ΔvapH° | 79.93 | kJ/mol | Relay (... Calculated Property |
| IE | 9.21 | eV | Relay (... Calculated Property |
| log10WS | -3.76 | Relay (... Calculated Property | |
| logPoct/wat | 7.184 | Crippen Calculated Property | |
| Pc | -1153.84 | kPa | Relay (... Calculated Property ⚠️ |
| Inp | [2023.00; 2037.00] |
|
|
| Inp | 2029.00 | NIST | |
| Inp | 2023.00 | NIST | |
| Inp | 2025.00 | NIST | |
| Inp | 2030.00 | NIST | |
| Inp | 2033.00 | NIST | |
| Inp | 2033.00 | NIST | |
| Inp | 2037.00 | NIST | |
| Tboil | 610.38 | K | Relay (... Calculated Property |
| Tc | 696.21 | K | Relay (... Calculated Property |
| Tfus | 270.00 ± 0.10 | K | NIST |
| Vc | 2.452 | m3/kmol | Relay (... Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| ΔfusH | 39.76 | kJ/mol | 265.80 | NIST |
| ΔvapH | 71.30 | kJ/mol | 541.50 | NIST |
| Pvap | [8.20e-04; 0.09] | kPa | [358.15; 418.15] |
|
| Pvap | 8.20e-04 | kPa | 358.15 | Tempera... |
| Pvap | 2.00e-03 | kPa | 368.15 | Tempera... |
| Pvap | 4.67e-03 | kPa | 378.15 | Tempera... |
| Pvap | 0.01 | kPa | 388.15 | Tempera... |
| Pvap | 0.02 | kPa | 398.15 | Tempera... |
| Pvap | 0.05 | kPa | 408.15 | Tempera... |
| Pvap | 0.09 | kPa | 418.15 | Tempera... |
Similar Compounds
Find more compounds similar to Cyclodecasiloxane, eicosamethyl-.
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
- Temperature-Dependent Vapor Pressure of Selected Cyclic and Linear Polydimethylsiloxane Oligomers
- NIST Webbook
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