- InChI
- InChI=1S/C10H30O5Si5/c1-16(2)11-17(3,4)13-19(7,8)15-20(9,10)14-18(5,6)12-16/h1-10H3
- InChI Key
- XMSXQFUHVRWGNA-UHFFFAOYSA-N
- Formula
- C10H30O5Si5
- SMILES
-
C[Si]1(C)O[Si](C)(C)O[Si](C)(C
)O[Si](C)(C)O[Si](C)(C)O1 - Molecular Weight1
- 370.77
- CAS
- 541-02-6
- Other Names
-
- CD3770
- D3770
- D5 (decamethylcyclopentasiloxane)
- Decamethylcylopentasiloxane
- Dekamethylcyklopentasiloxan
- Dimethylsiloxane pentamer
- Cp,liquid : Liquid phase heat capacity (J/mol×K).
- 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).
- logPoct/wat : Octanol/Water partition coefficient.
- Pc : Critical Pressure (kPa).
- Pvap : Vapor pressure (kPa).
- ρc : Critical density (kg/m3).
- Inp : Non-polar retention indices.
- csound,fluid : Speed of sound in fluid (m/s).
- Tboil : Normal Boiling Point Temperature (K).
- Tc : Critical Temperature (K).
- Tfus : Normal melting (fusion) point (K).
- Vc : Critical Volume (m3/kmol).
- Vm : Molar Volume (m3/mol).
- 1: Molecular weight from the IUPAC atomic weights tables.
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Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| ΔvapH° | 59.00 ± 1.00 | kJ/mol | NIST |
| logPoct/wat | 3.592 | Crippen Calculated Property | |
| Pc | 1035.00 ± 20.00 | kPa | NIST |
| ρc | 288.09 ± 2.87 | kg/m3 | NIST |
| Inp | [193.30; 1215.10] |
|
|
| Inp | 1165.00 | NIST | |
| Inp | 1166.00 | NIST | |
| Inp | 1215.10 | NIST | |
| Inp | 1164.00 | NIST | |
| Inp | 1160.00 | NIST | |
| Inp | 1165.00 | NIST | |
| Inp | 1184.00 | NIST | |
| Inp | 1169.00 | NIST | |
| Inp | 1172.00 | NIST | |
| Inp | 1173.00 | NIST | |
| Inp | 1176.00 | NIST | |
| Inp | 1183.00 | NIST | |
| Inp | 1161.00 | NIST | |
| Inp | Outlier 193.30 | NIST | |
| Inp | 1164.00 | NIST | |
| Inp | 1169.00 | NIST | |
| Inp | 1183.00 | NIST | |
| Inp | 1215.10 | NIST | |
| Tboil | 479.55 | K | Relay (1.0) Calculated Property |
| Tc | 617.40 ± 0.30 | K | NIST |
| Tfus | 226.00 ± 1.00 | K | NIST |
| Vc | 1.287 ± 0.001 | m3/kmol | NIST |
| Vm | 3.89e-04 | m3/mol | Thermodynamic Study of Heptane + Silicone Mixtures. Excess Volumes and Enthalpies at 298.15 K |
Cheméo can also estimate Enthalpy of formation at standard conditions, Standard Gibbs free energy of formation, Acentric Factor, Ionization energy, Log10 of Water solubility in mol/l for this compound, but they fall outside the models' validated range, so they are not shown here. Open the prediction tool to compute them on demand.
Temperature Dependent Properties
Datasets
Speed of sound, m/s
| Fixed | Measured | |
|---|---|---|
| Temperature, K - Fluid (supercritical or subcritical phases) | Pressure, kPa - Fluid (supercritical or subcritical phases) | Speed of sound, m/s - Fluid (supercritical or subcritical phases) |
| 485.00 | 35.39 | 101.908 |
| 485.00 | 43.63 | 101.141 |
| 485.00 | 49.43 | 100.666 |
| 485.00 | 55.24 | 100.36 |
| 485.00 | 63.60 | 99.197 |
| 485.00 | 64.42 | 99.132 |
| 485.00 | 74.85 | 98.38 |
| 485.00 | 82.92 | 97.275 |
| 485.00 | 85.12 | 97.17 |
| 500.00 | 22.13 | 104.938 |
| 500.00 | 22.48 | 104.919 |
| 500.00 | 26.30 | 104.683 |
| 500.00 | 31.33 | 104.222 |
| 500.00 | 32.27 | 104.14 |
| 500.00 | 33.93 | 103.964 |
| 500.00 | 39.90 | 103.532 |
| 500.00 | 42.70 | 103.271 |
| 500.00 | 47.88 | 102.87 |
| 500.00 | 51.58 | 102.577 |
| 500.00 | 55.42 | 102.199 |
| 500.00 | 64.64 | 101.5 |
| 500.00 | 64.96 | 101.44 |
| 500.00 | 73.64 | 100.81 |
| 500.00 | 74.95 | 100.631 |
| 500.00 | 78.98 | 100.217 |
| 500.00 | 85.90 | 99.495 |
| 500.00 | 95.37 | 98.558 |
| 500.00 | 105.42 | 97.603 |
| 500.00 | 116.60 | 96.555 |
| 510.00 | 34.55 | 105.2 |
| 510.00 | 43.26 | 104.679 |
| 510.00 | 51.27 | 104.86 |
| 510.00 | 57.10 | 103.487 |
| 510.00 | 62.78 | 103.98 |
| 510.00 | 72.53 | 102.369 |
| 510.00 | 82.51 | 101.583 |
| 510.00 | 89.89 | 100.871 |
| 510.00 | 92.75 | 100.754 |
| 510.00 | 103.28 | 99.891 |
| 510.00 | 110.69 | 99.98 |
| Reference | ||
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [1.33; 202.65] | kPa | [362.21; 514.77] |
The Yaws Handbook of Vapor Pressure
|
| Equation | ln(Pvp) = A + B/(T + C) | |||
| Coefficient A | 1.40443e+01 | |||
| Coefficient B | -3.64812e+03 | |||
| Coefficient C | -9.70240e+01 | |||
| Temperature range, min. | 362.21 | |||
| Temperature range, max. | 514.77 | |||
| Pvap | 1.33 | kPa | 362.21 | Calculated Property |
| Pvap | 3.05 | kPa | 379.16 | Calculated Property |
| Pvap | 6.34 | kPa | 396.11 | Calculated Property |
| Pvap | 12.20 | kPa | 413.06 | Calculated Property |
| Pvap | 21.95 | kPa | 430.01 | Calculated Property |
| Pvap | 37.32 | kPa | 446.97 | Calculated Property |
| Pvap | 60.40 | kPa | 463.92 | Calculated Property |
| Pvap | 93.71 | kPa | 480.87 | Calculated Property |
| Pvap | 140.07 | kPa | 497.82 | Calculated Property |
| Pvap | 202.65 | kPa | 514.77 | Calculated Property |
Similar Compounds
Find more compounds similar to Decamethylcyclopentasiloxane.
Mixtures
Sources
- Cheméo Relay (1.0)
- Crippen Method
- Crippen Method
- Ideal-gas heat capacities of dimethylsiloxanes from speed-of-sound measurements and ab initio calculations
- Selected Physicochemical Properties of Hexamethylcyclotrisiloxane, Octamethylcyclotetrasiloxane, and Decamethylcyclopentasiloxane
- Temperature-Dependent Vapor Pressure of Selected Cyclic and Linear Polydimethylsiloxane Oligomers
- Thermodynamic Study of Heptane + Silicone Mixtures. Excess Volumes and Enthalpies at 298.15 K
- Octanol/Air Partition Coefficients of Volatile Methylsiloxanes and Their Temperature Dependence
- NIST Webbook
- The Yaws Handbook of Vapor Pressure
Note: Cheméo is only indexing the data, follow the source links to retrieve the latest data. The source is also providing more information like the publication year, authors and more.
Take the time to validate and double check the source of the data.
Outlier This icon means
that the value is more than 2 standard deviations away from the
property mean.