- InChI
- InChI=1S/C13H26/c1-2-3-4-5-6-7-10-13-11-8-9-12-13/h13H,2-12H2,1H3
- InChI Key
- HARXDULSBROLME-UHFFFAOYSA-N
- Formula
- C13H26
- SMILES
- CCCCCCCCC1CCCC1
- Molecular Weight1
- 182.35
- CAS
- 1795-20-6
- Other Names
-
- n-Octylcyclopentane
- octylcyclopentane
- ω : Acentric Factor.
- ΔcH°liquid : Standard liquid enthalpy of combustion (kJ/mol).
- Cp,gas : Ideal gas heat capacity (J/mol×K).
- η : Dynamic viscosity (Pa×s).
- ΔfG° : Standard Gibbs free energy of formation (kJ/mol).
- ΔfH°gas : Enthalpy of formation at standard conditions (kJ/mol).
- ΔfusH° : Enthalpy of fusion at standard conditions (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.
- McVol : McGowan's characteristic volume (ml/mol).
- Pc : Critical Pressure (kPa).
- Pvap : Vapor pressure (kPa).
- ρl : Liquid Density (kg/m3).
- Inp : Non-polar retention indices.
- 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).
- Zc : Critical Compressibility.
- 1: Molecular weight from the IUPAC atomic weights tables.
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Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| ω | [0.5265; 0.5639] |
|
|
| ω | 0.5639 | Passut and Danner (1973), critical constants and acentric factors Compiled value | |
| ω | 0.5265 | KDB | |
| ΔcH°liquid | -8580.80 ± 1.80 | kJ/mol | NIST |
| ΔfG° | 95.12 | kJ/mol | KDB |
| ΔfH°gas | [-250.90; -250.70] | kJ/mol |
|
| ΔfH°gas | -250.90 | kJ/mol | KDB |
| ΔfH°gas | -250.70 ± 1.90 | kJ/mol | NIST |
| ΔfusH° | 23.36 | kJ/mol | Joback Calculated Property |
| ΔvapH° | 65.80 | kJ/mol | NIST |
| IE | 9.69 | eV | Relay (1.0) Calculated Property |
| log10WS | -6.54 | Relay (1.0) Calculated Property | |
| logPoct/wat | 4.927 | Crippen Calculated Property | |
| McVol | 183.170 | ml/mol | McGowan Calculated Property |
| Pc | [1792.64; 1910.00] | kPa |
|
| Pc | 1792.64 | kPa | Passut and Danner (1973), critical constants and acentric factors Compiled value |
| Pc | 1910.00 | kPa | KDB |
| Inp | [1337.00; 1340.00] |
|
|
| Inp | 1338.00 | NIST | |
| Inp | 1340.00 | NIST | |
| Inp | 1337.00 | NIST | |
| Tboil | 516.90 | K | KDB |
| Tc | [694.43; 702.10] | K |
|
| Tc | 694.43 | K | Passut and Danner (1973), critical constants and acentric factors Compiled value |
| Tc | 702.10 | K | KDB |
| Tfus | [228.70; 229.15] | K |
|
| Tfus | 229.15 | K | Jean-Claude Bradley Open Melting Point Dataset (2014, CC0) Compiled value |
| Tfus | 229.00 | K | KDB |
| Tfus | 228.70 ± 0.50 | K | NIST |
| Tfus | 228.70 ± 2.00 | K | NIST |
| Vc | 0.705 | m3/kmol | KDB |
| Zc | 0.2305040 | KDB |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| ΔvapH | 45.40 | kJ/mol | 516.90 | KDB |
| ρl | 805.00 | kg/m3 | 293.00 | KDB |
| γ | 0.03 | N/m | 298.20 | KDB |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [248.03; 673.31] | J/mol×K | [273.00; 1000.00] |
Joback Predicted correlation
|
| Equation | Y = A + B·T + C·T² + D·T³ + E·T⁴ Y is Cp,gas in J/mol×K, T in K | |||
| Coefficient A | -6.94130e+01 | |||
| Coefficient B | 1.37052e+00 | |||
| Coefficient C | -8.10800e-04 | |||
| Coefficient D | 1.83000e-07 | |||
| Coefficient E | 0.00000e+00 | |||
| Temperature range, min. | 273.00 | |||
| Temperature range, max. | 1000.00 | |||
| Cp,gas | 248.03 | J/mol×K | 273.00 | Calculated Property |
| Cp,gas | 322.07 | J/mol×K | 353.78 | Calculated Property |
| Cp,gas | 388.06 | J/mol×K | 434.56 | Calculated Property |
| Cp,gas | 446.58 | J/mol×K | 515.33 | Calculated Property |
| Cp,gas | 498.22 | J/mol×K | 596.11 | Calculated Property |
| Cp,gas | 543.54 | J/mol×K | 676.89 | Calculated Property |
| Cp,gas | 583.13 | J/mol×K | 757.67 | Calculated Property |
| Cp,gas | 617.57 | J/mol×K | 838.44 | Calculated Property |
| Cp,gas | 647.44 | J/mol×K | 919.22 | Calculated Property |
| Cp,gas | 673.31 | J/mol×K | 1000.00 | Calculated Property |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| η | [0.0087905; 0.0003060] | Pa×s | [228.89; 488.78] |
Joback Predicted correlation
|
| Equation | Y = exp(A + B/T + C·ln(T) + D·T^E) Y is η in Pa×s, T in K | |||
| Coefficient A | -1.10491e+01 | |||
| Coefficient B | 1.44542e+03 | |||
| Coefficient C | 0.00000e+00 | |||
| Coefficient D | 0.00000e+00 | |||
| Coefficient E | 0.00000e+00 | |||
| Comment | Liquid phase. Joback/Reid (1987), valid from Tf to 0.7·Tc. | |||
| Temperature range, min. | 228.89 | |||
| Temperature range, max. | 488.78 | |||
| η | 0.0087905 | Pa×s | 228.89 | Calculated Property |
| η | 0.0043327 | Pa×s | 257.76 | Calculated Property |
| η | 0.0024627 | Pa×s | 286.64 | Calculated Property |
| η | 0.0015523 | Pa×s | 315.52 | Calculated Property |
| η | 0.0010572 | Pa×s | 344.40 | Calculated Property |
| η | 0.0007641 | Pa×s | 373.27 | Calculated Property |
| η | 0.0005786 | Pa×s | 402.15 | Calculated Property |
| η | 0.0004548 | Pa×s | 431.03 | Calculated Property |
| η | 0.0003684 | Pa×s | 459.91 | Calculated Property |
| η | 0.0003060 | Pa×s | 488.78 | Calculated Property |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [1.33; 202.66] | kPa | [387.99; 531.26] |
The Yaws Handbook of Vapor Pressure
|
| Equation | ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K | |||
| Coefficient A | 1.59416e+01 | |||
| Coefficient B | -4.74553e+03 | |||
| Coefficient C | -8.48370e+01 | |||
| Temperature range, min. | 387.99 | |||
| Temperature range, max. | 531.26 | |||
| Pvap | 1.33 | kPa | 387.99 | Calculated Property |
| Pvap | 2.91 | kPa | 403.91 | Calculated Property |
| Pvap | 5.90 | kPa | 419.83 | Calculated Property |
| Pvap | 11.22 | kPa | 435.75 | Calculated Property |
| Pvap | 20.19 | kPa | 451.67 | Calculated Property |
| Pvap | 34.57 | kPa | 467.58 | Calculated Property |
| Pvap | 56.72 | kPa | 483.50 | Calculated Property |
| Pvap | 89.58 | kPa | 499.42 | Calculated Property |
| Pvap | 136.79 | kPa | 515.34 | Calculated Property |
| Pvap | 202.66 | kPa | 531.26 | Calculated Property |
| Pvap | [1.36; 198.41] | kPa | [385.00; 549.00] |
KDB Vapor Pressure Data
|
| Equation | ln(Y) = A + B/T + C·ln(T) + D·T² + E/T² Y is Pvap in kPa, T in K | |||
| Coefficient A | 1.38081e+02 | |||
| Coefficient B | -1.29364e+04 | |||
| Coefficient C | -1.76984e+01 | |||
| Coefficient D | 8.01683e-06 | |||
| Coefficient E | 0.00000e+00 | |||
| Temperature range, min. | 385.00 | |||
| Temperature range, max. | 549.00 | |||
| Pvap | 1.36 | kPa | 385.00 | Calculated Property |
| Pvap | 3.07 | kPa | 403.22 | Calculated Property |
| Pvap | 6.33 | kPa | 421.44 | Calculated Property |
| Pvap | 12.12 | kPa | 439.67 | Calculated Property |
| Pvap | 21.71 | kPa | 457.89 | Calculated Property |
| Pvap | 36.78 | kPa | 476.11 | Calculated Property |
| Pvap | 59.36 | kPa | 494.33 | Calculated Property |
| Pvap | 91.87 | kPa | 512.56 | Calculated Property |
| Pvap | 137.14 | kPa | 530.78 | Calculated Property |
| Pvap | 198.41 | kPa | 549.00 | Calculated Property |
Similar Compounds
Find more compounds similar to Cyclopentane, octyl-.
Sources
- KDB Vapor Pressure Data
- 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).
- Passut and Danner (1973), critical constants and acentric factors ChEDL chemicals 1.5.2, from Passut, C. A.; Danner, R. P. Acentric Factor. A Valuable Correlating Parameter for the Properties of Hydrocarbons. Ind. Eng. Chem. Process Des. Dev. 1973, 12, 365-368.
- Cheméo Relay (1.0)
- Crippen Method
- Crippen Method
- Joback Method
- KDB
- McGowan Method
- NIST Webbook
- The Yaws Handbook of Vapor Pressure
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