- 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
- ω : Acentric Factor.
- 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).
- γ : Surface Tension (N/m).
- 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).
- Zc : Critical Compressibility.
- 1: Molecular weight from the IUPAC atomic weights tables.
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Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| ω | 0.6272 | PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value | |
| ΔvapH° | 59.00 ± 1.00 | kJ/mol | NIST |
| logPoct/wat | 3.592 | Crippen Calculated Property | |
| Pc | [1035.00; 1100.00] | kPa |
|
| Pc | 1100.00 | kPa | IUPAC Vapor-Liquid Critical Properties of Elements and Compounds, part 11 Compiled value |
| Pc | 1035.00 | kPa | PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value |
| 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; 618.00] | K |
|
| Tc | 618.00 | K | IUPAC Vapor-Liquid Critical Properties of Elements and Compounds, part 11 Compiled value |
| Tc | 617.40 | K | PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value |
| Tc | 617.40 ± 0.30 | K | NIST |
| Tfus | [226.00; 229.15] | K |
|
| Tfus | 229.15 | K | Jean-Claude Bradley Open Melting Point Dataset (2014, CC0) Compiled value |
| Tfus | 226.00 ± 1.00 | K | NIST |
| Vc | [1.216; 1.287] | m3/kmol |
|
| Vc | 1.236 | m3/kmol | IUPAC Vapor-Liquid Critical Properties of Elements and Compounds, part 11 Compiled value |
| Vc | 1.216 | m3/kmol | PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value |
| 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 |
| Zc | 0.2650000 | IUPAC Vapor-Liquid Critical Properties of Elements and Compounds, part 11 Compiled value |
Cheméo can also estimate Enthalpy of formation at standard conditions, Standard Gibbs free energy of formation, 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(Y) = A + B/(T + C) Y is Pvap in kPa, T in K | |||
| 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 |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| γ | [0.02; 0.01] | N/m | [235.15; 374.15] |
Jasper (1972), surface tension of pure liquid compounds Compiled value
|
| Equation | Y = A + B·T + C·T² + D·T³ + E·T⁴ Y is γ in N/m, T in K | |||
| Coefficient A | 3.49930e-02 | |||
| Coefficient B | -5.65000e-05 | |||
| Coefficient C | 0.00000e+00 | |||
| Coefficient D | 0.00000e+00 | |||
| Coefficient E | 0.00000e+00 | |||
| Temperature range, min. | 235.15 | |||
| Temperature range, max. | 374.15 | |||
| γ | 0.02 | N/m | 235.15 | Calculated Property |
| γ | 0.02 | N/m | 250.59 | Calculated Property |
| γ | 0.02 | N/m | 266.04 | Calculated Property |
| γ | 0.02 | N/m | 281.48 | Calculated Property |
| γ | 0.02 | N/m | 296.93 | Calculated Property |
| γ | 0.02 | N/m | 312.37 | Calculated Property |
| γ | 0.02 | N/m | 327.82 | Calculated Property |
| γ | 0.02 | N/m | 343.26 | Calculated Property |
| γ | 0.01 | N/m | 358.71 | Calculated Property |
| γ | 0.01 | N/m | 374.15 | Calculated Property |
Similar Compounds
Find more compounds similar to Decamethylcyclopentasiloxane.
Mixtures
Sources
- Jean-Claude Bradley Open Melting Point Dataset (2014, CC0) ChEDL chemicals 1.5.2, from Bradley, J.-C.; Williams, A.; Lang, A. Jean-Claude Bradley Open Melting Point Dataset. Figshare, 2014 (CC0).
- IUPAC Vapor-Liquid Critical Properties of Elements and Compounds, part 11 ChEDL chemicals 1.5.2, from Ambrose, D.; Tsonopoulos, C.; Nikitin, E. D. Vapor-Liquid Critical Properties of Elements and Compounds. 11. Organic Compounds Containing B + O; Halogens + N, + O, + O + S, + S, + Si; N + O; and O + S, + Si. J. Chem. Eng. Data 2009, 54, 669-689.
- Jasper (1972), surface tension of pure liquid compounds ChEDL chemicals 1.5.2, from Jasper, J. J. The Surface Tension of Pure Liquid Compounds. J. Phys. Chem. Ref. Data 1972, 1, 841-1010 (as transcribed in Lange's Handbook).
- PSRK revision IV (2005), critical constants and acentric factors of 1000 components ChEDL chemicals 1.5.2, from Horstmann, S.; Jabłoniec, A.; Krafczyk, J.; Fischer, K.; Gmehling, J. PSRK Group Contribution Equation of State: Comprehensive Revision and Extension IV, Including Critical Constants and α-Function Parameters for 1000 Components. Fluid Phase Equilib. 2005, 227, 157-164.
- 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
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