- 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)
- 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).
- log10WS : Log10 of Water solubility in mol/l.
- 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).
- 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 |
| log10WS | 7.50 | Crippen Calculated Property | |
| 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 | 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 | 1183.00 | NIST | |
| Inp | 1161.00 | NIST | |
| Inp | Outlier 193.30 | NIST | |
| 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 | Thermod... |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,liquid | [636.30; 721.50] | J/mol×K | [288.78; 473.15] |
|
|
T(K) Liquid phase heat capacity (J/mol×K) 640 660 680 700 720 300 350 400 450 | ||||
| Cp,liquid | 636.30 | J/mol×K | 288.78 | Selecte... |
| Cp,liquid | 638.50 | J/mol×K | 293.13 | Selecte... |
| Cp,liquid | 640.60 | J/mol×K | 297.95 | Selecte... |
| Cp,liquid | 643.10 | J/mol×K | 303.18 | Selecte... |
| Cp,liquid | 644.50 | J/mol×K | 308.95 | Selecte... |
| Cp,liquid | 647.70 | J/mol×K | 313.15 | Selecte... |
| Cp,liquid | 650.40 | J/mol×K | 319.00 | Selecte... |
| Cp,liquid | 652.40 | J/mol×K | 323.15 | Selecte... |
| Cp,liquid | 655.10 | J/mol×K | 329.05 | Selecte... |
| Cp,liquid | 657.90 | J/mol×K | 334.74 | Selecte... |
| Cp,liquid | 659.50 | J/mol×K | 338.50 | Selecte... |
| Cp,liquid | 661.20 | J/mol×K | 342.08 | Selecte... |
| Cp,liquid | 664.50 | J/mol×K | 349.25 | Selecte... |
| Cp,liquid | 667.10 | J/mol×K | 352.20 | Selecte... |
| Cp,liquid | 668.00 | J/mol×K | 356.83 | Selecte... |
| Cp,liquid | 670.10 | J/mol×K | 361.28 | Selecte... |
| Cp,liquid | 672.40 | J/mol×K | 366.35 | Selecte... |
| Cp,liquid | 674.20 | J/mol×K | 370.25 | Selecte... |
| Cp,liquid | 676.60 | J/mol×K | 375.43 | Selecte... |
| Cp,liquid | 679.10 | J/mol×K | 380.95 | Selecte... |
| Cp,liquid | 682.50 | J/mol×K | 388.65 | Selecte... |
| Cp,liquid | 684.00 | J/mol×K | 391.43 | Selecte... |
| Cp,liquid | 687.90 | J/mol×K | 399.84 | Selecte... |
| Cp,liquid | 688.60 | J/mol×K | 401.55 | Selecte... |
| Cp,liquid | 691.20 | J/mol×K | 407.15 | Selecte... |
| Cp,liquid | 693.80 | J/mol×K | 412.77 | Selecte... |
| Cp,liquid | 697.10 | J/mol×K | 419.95 | Selecte... |
| Cp,liquid | 698.50 | J/mol×K | 425.95 | Selecte... |
| Cp,liquid | 703.20 | J/mol×K | 433.28 | Selecte... |
| Cp,liquid | 706.30 | J/mol×K | 439.98 | Selecte... |
| Cp,liquid | 709.20 | J/mol×K | 444.90 | Selecte... |
| Cp,liquid | 711.90 | J/mol×K | 452.40 | Selecte... |
| Cp,liquid | 716.90 | J/mol×K | 463.15 | Selecte... |
| Cp,liquid | 719.50 | J/mol×K | 469.05 | Selecte... |
| Cp,liquid | 721.50 | J/mol×K | 473.15 | Selecte... |
| ΔfusH | [20.37; 20.37] | kJ/mol | [226.20; 226.20] |
|
| ΔfusH | 20.37 | kJ/mol | 226.20 | NIST |
| ΔfusH | 20.37 | kJ/mol | 226.20 | NIST |
| ΔvapH | [49.00; 52.10] | kJ/mol | [418.00; 439.50] |
|
| ΔvapH | 49.00 | kJ/mol | 418.00 | NIST |
| ΔvapH | 52.10 | kJ/mol | 439.50 | NIST |
| Pvap | [0.04; 2.01] | kPa | [308.15; 368.15] |
|
|
T(K) Vapor pressure (kPa) 0 0.5 1 1.5 2 320 340 360 | ||||
| Pvap | 0.04 | kPa | 308.15 | Tempera... |
| Pvap | 0.09 | kPa | 318.15 | Tempera... |
| Pvap | 0.19 | kPa | 328.15 | Tempera... |
| Pvap | 0.35 | kPa | 338.15 | Tempera... |
| Pvap | 0.65 | kPa | 348.15 | Tempera... |
| Pvap | 1.16 | kPa | 358.15 | Tempera... |
| Pvap | 2.01 | kPa | 368.15 | Tempera... |
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 Yaw...
|
| 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 | |||
|
T(K) Vapor pressure (kPa) 0 50 100 150 200 400 450 500 | ||||
| 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 Cyclopentasiloxane, decamethyl-.
Mixtures
Sources
- 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
- NIST Webbook
- The Yaws Handbook of Vapor Pressure
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