- InChI
- InChI=1S/C28H58/c1-3-5-7-9-11-13-15-17-19-21-23-25-27-28-26-24-22-20-18-16-14-12-10-8-6-4-2/h3-28H2,1-2H3
- InChI Key
- ZYURHZPYMFLWSH-UHFFFAOYSA-N
- Formula
- C28H58
- SMILES
- CCCCCCCCCCCCCCCCCCCCCCCCCCCC
- Molecular Weight1
- 394.76
- CAS
- 630-02-4
- Other Names
-
- n-Octacosane
- Cp,gas : Ideal gas heat capacity (J/mol×K).
- Cp,liquid : Liquid phase 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).
- ΔfusH : Enthalpy of fusion at a given temperature (kJ/mol).
- ΔsubH° : Enthalpy of sublimation at standard conditions (kJ/mol).
- ΔsubH : Enthalpy of sublimation 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.
- McVol : McGowan's characteristic volume (ml/mol).
- Pc : Critical Pressure (kPa).
- Psub : Sublimation pressure (kPa).
- Pvap : Vapor pressure (kPa).
- Inp : Non-polar retention indices.
- ΔfusS : Entropy of fusion at a given temperature (J/mol×K).
- Tboil : Normal Boiling Point Temperature (K).
- Tboilr : Boiling point at reduced pressure (K).
- Tc : Critical Temperature (K).
- Tfus : Normal melting (fusion) point (K).
- Ttriple : Triple Point Temperature (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 |
|---|---|---|---|
| ΔfG° | 184.88 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | -621.25 | kJ/mol | Joback Calculated Property |
| ΔfusH° | 35.53 | kJ/mol | Measure... |
| ΔsubH° | 209.00 ± 10.00 | kJ/mol | NIST |
| ΔvapH° | [141.90; 152.40] | kJ/mol |
|
| ΔvapH° | 141.90 | kJ/mol | NIST |
| ΔvapH° | 150.80 ± 0.50 | kJ/mol | NIST |
| ΔvapH° | 150.70 ± 1.70 | kJ/mol | NIST |
| ΔvapH° | 152.40 ± 2.90 | kJ/mol | NIST |
| log10WS | -11.54 | Crippen Calculated Property | |
| logPoct/wat | 11.169 | Crippen Calculated Property | |
| McVol | 405.380 | ml/mol | McGowan Calculated Property |
| Pc | 655.44 | kPa | Joback Calculated Property |
| Inp | [442.42; 461.80] |
|
|
| Inp | 442.42 | NIST | |
| Inp | 461.80 | NIST | |
| Inp | 461.80 | NIST | |
| Tboil | 704.80 | K | NIST |
| Tc | 836.00 | K | Critica... |
| Tfus | 334.55 | K | KDB |
| Ttriple | [330.40; 333.98] | K |
|
| Ttriple | 330.40 | K | Thermal... |
| Ttriple | 333.98 ± 0.70 | K | NIST |
| Vc | 1.603 | m3/kmol | Joback Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [1347.97; 1482.44] | J/mol×K | [840.04; 1030.18] |
|
|
T(K) Ideal gas heat capacity (J/mol×K) 1340 1360 1380 1400 1420 1440 1460 1480 850 900 950 1000 | ||||
| Cp,gas | 1347.97 | J/mol×K | 840.04 | Joback Calculated Property |
| Cp,gas | 1373.48 | J/mol×K | 871.73 | Joback Calculated Property |
| Cp,gas | 1397.66 | J/mol×K | 903.42 | Joback Calculated Property |
| Cp,gas | 1420.59 | J/mol×K | 935.11 | Joback Calculated Property |
| Cp,gas | 1442.33 | J/mol×K | 966.80 | Joback Calculated Property |
| Cp,gas | 1462.92 | J/mol×K | 998.49 | Joback Calculated Property |
| Cp,gas | 1482.44 | J/mol×K | 1030.18 | Joback Calculated Property |
| Cp,liquid | 937.00 | J/mol×K | 353.00 | NIST |
| η | [0.0003995; 0.0018142] | Pa×s | [398.15; 573.15] |
|
|
T(K) Dynamic viscosity (Pa×s) 4.00e-4 6.00e-4 8.00e-4 1.00e-3 1.20e-3 1.40e-3 1.60e-3 1.80e-3 400 450 500 550 | ||||
| η | 0.0018142 | Pa×s | 398.15 | Liquid ... |
| η | 0.0013609 | Pa×s | 423.15 | Liquid ... |
| η | 0.0010252 | Pa×s | 448.15 | Liquid ... |
| η | 0.0008318 | Pa×s | 473.15 | Liquid ... |
| η | 0.0006847 | Pa×s | 498.15 | Liquid ... |
| η | 0.0005675 | Pa×s | 523.15 | Liquid ... |
| η | 0.0004753 | Pa×s | 548.15 | Liquid ... |
| η | 0.0003995 | Pa×s | 573.15 | Liquid ... |
| ΔfusH | [35.44; 67.38] | kJ/mol | [331.30; 334.50] |
|
|
T(K) Enthalpy of fusion at a given temperature (kJ/mol) 35 40 45 50 55 60 65 70 332 333 334 | ||||
| ΔfusH | 35.44 | kJ/mol | 331.30 | NIST |
| ΔfusH | 63.00 | kJ/mol | 333.40 | NIST |
| ΔfusH | 67.38 | kJ/mol | 334.20 | NIST |
| ΔfusH | 64.64 | kJ/mol | 334.50 | NIST |
| ΔfusH | 64.64 | kJ/mol | 334.50 | NIST |
| ΔsubH | 195.80 ± 2.20 | kJ/mol | 326.00 | NIST |
| ΔvapH | [98.10; 141.90] | kJ/mol | [298.00; 593.00] |
|
|
T(K) Enthalpy of vaporization at a given temperature (kJ/mol) 100 110 120 130 140 300 400 500 600 | ||||
| ΔvapH | 128.60 | kJ/mol | 298.00 | A Compa... |
| ΔvapH | 141.90 | kJ/mol | 298.15 | Vapor P... |
| ΔvapH | 131.70 | kJ/mol | 345.00 | NIST |
| ΔvapH | 117.40 ± 1.20 | kJ/mol | 375.50 | NIST |
| ΔvapH | 135.00 ± 3.00 | kJ/mol | 431.50 | NIST |
| ΔvapH | 118.50 | kJ/mol | 435.50 | NIST |
| ΔvapH | 105.50 | kJ/mol | 459.50 | NIST |
| ΔvapH | 103.10 ± 3.00 | kJ/mol | 494.00 | NIST |
| ΔvapH | 99.27 ± 0.06 | kJ/mol | 510.00 | NIST |
| ΔvapH | 100.60 | kJ/mol | 512.50 | NIST |
| ΔvapH | 98.10 | kJ/mol | 512.50 | NIST |
| ΔvapH | 100.50 | kJ/mol | 535.50 | NIST |
| ΔvapH | 106.60 | kJ/mol | 593.00 | NIST |
| Psub | [1.17e-08; 4.39e-08] | kPa | [323.05; 329.02] |
|
| Psub | 1.17e-08 | kPa | 323.05 | Vapor a... |
| Psub | 2.37e-08 | kPa | 326.15 | Vapor a... |
| Psub | 4.39e-08 | kPa | 329.02 | Vapor a... |
| Pvap | [2.14e-06; 1.70] | kPa | [354.01; 550.62] |
|
|
T(K) Vapor pressure (kPa) 0 0.5 1 1.5 400 500 | ||||
| Pvap | 2.14e-06 | kPa | 354.01 | A Gas S... |
| Pvap | 1.77e-05 | kPa | 373.92 | A Gas S... |
| Pvap | 1.80e-05 | kPa | 373.92 | A Gas S... |
| Pvap | 1.22e-04 | kPa | 393.65 | A Gas S... |
| Pvap | 1.26e-04 | kPa | 393.65 | A Gas S... |
| Pvap | 6.33e-04 | kPa | 413.50 | A Gas S... |
| Pvap | 6.51e-04 | kPa | 413.50 | A Gas S... |
| Pvap | 6.30e-04 | kPa | 413.50 | A Gas S... |
| Pvap | 2.93e-03 | kPa | 433.32 | A Gas S... |
| Pvap | 0.01 | kPa | 453.28 | A Gas S... |
| Pvap | 0.04 | kPa | 473.64 | A Gas S... |
| Pvap | 0.16 | kPa | 494.80 | A Gas S... |
| Pvap | 0.43 | kPa | 516.89 | A Gas S... |
| Pvap | 1.70 | kPa | 550.62 | Vapor-L... |
| ΔfusS | [106.98; 193.28] | J/mol×K | [331.30; 334.50] |
|
| ΔfusS | 106.98 | J/mol×K | 331.30 | NIST |
| ΔfusS | 193.28 | J/mol×K | 334.50 | NIST |
Pressure Dependent Properties
| Property | Value | Unit | Pressure (kPa) | Source |
|---|---|---|---|---|
| Tboilr | 551.20 | K | 2.00 | NIST |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [1.33; 202.66] | kPa | [546.01; 741.12] |
The Yaw...
|
| Equation | ln(Pvp) = A + B/(T + C) | |||
| Coefficient A | 1.69575e+01 | |||
| Coefficient B | -7.53939e+03 | |||
| Coefficient C | -9.37360e+01 | |||
| Temperature range, min. | 546.01 | |||
| Temperature range, max. | 741.12 | |||
|
T(K) Vapor pressure (kPa) 0 50 100 150 200 550 600 650 700 | ||||
| Pvap | 1.33 | kPa | 546.01 | Calculated Property |
| Pvap | 2.86 | kPa | 567.69 | Calculated Property |
| Pvap | 5.73 | kPa | 589.37 | Calculated Property |
| Pvap | 10.84 | kPa | 611.05 | Calculated Property |
| Pvap | 19.48 | kPa | 632.73 | Calculated Property |
| Pvap | 33.46 | kPa | 654.40 | Calculated Property |
| Pvap | 55.20 | kPa | 676.08 | Calculated Property |
| Pvap | 87.84 | kPa | 697.76 | Calculated Property |
| Pvap | 135.37 | kPa | 719.44 | Calculated Property |
| Pvap | 202.66 | kPa | 741.12 | Calculated Property |
| Pvap | [0.07; 100.41] | kPa | [481.15; 704.15] |
KDB Vap...
|
| Equation | ln(Pvp) = A + B/T + C*ln(T) + D*T^2 | |||
| Coefficient A | 3.55627e+02 | |||
| Coefficient B | -3.27960e+04 | |||
| Coefficient C | -4.75245e+01 | |||
| Coefficient D | 1.44719e-05 | |||
| Temperature range, min. | 481.15 | |||
| Temperature range, max. | 704.15 | |||
|
T(K) Vapor pressure (kPa) 0 20 40 60 80 100 500 600 700 | ||||
| Pvap | 0.07 | kPa | 481.15 | Calculated Property |
| Pvap | 0.25 | kPa | 505.93 | Calculated Property |
| Pvap | 0.76 | kPa | 530.71 | Calculated Property |
| Pvap | 2.02 | kPa | 555.48 | Calculated Property |
| Pvap | 4.75 | kPa | 580.26 | Calculated Property |
| Pvap | 10.09 | kPa | 605.04 | Calculated Property |
| Pvap | 19.67 | kPa | 629.82 | Calculated Property |
| Pvap | 35.77 | kPa | 654.59 | Calculated Property |
| Pvap | 61.37 | kPa | 679.37 | Calculated Property |
| Pvap | 100.41 | kPa | 704.15 | Calculated Property |
Similar Compounds
Find more compounds similar to Octacosane.
Mixtures
- Dodecane + Octacosane
- Toluene + Octacosane
- Octacosane + Ethanol
- 1-Dodecanol + Octacosane
- Octacosane + Decane
- Nonane, 2-methyl- + Octacosane
- Nonane, 4-methyl- + Octacosane
- Octacosane + Formic acid
- Octacosane + Acetic acid
- Octacosane + Ethanol + Decane
Sources
- KDB Vapor Pressure Data
- Crippen Method
- Crippen Method
- Experimental solubility data of various n-alkane waxes: effects of alkane chain length, alkane odd versus even carbon number structures, and solvent chemistry on solubility
- Critical temperatures and pressures of C40, C44, and C60 normal alkanes measured by the pulse-heating technique
- Thermal conductivity of heavy, even-carbon number n-alkanes (C22 to C32)
- Measurement of enthalpy curves of phase change materials via DSC and T-History: When are both methods needed to estimate the behaviour of the bulk material in applications?
- A Comparison of Results by Correlation Gas Chromatography with Another Gas Chromatographic Retention Time Technique. The Effects of Retention Time Coincidence on Vaporization Enthalpy and Vapor Pressure
- Liquid Viscosity and Surface Tension of n-Dodecane, n-Octacosane, Their Mixtures, and a Wax between 323 and 573 K by Surface Light Scattering
- Vapor-Liquid Equilibria of Binary Systems with Long-Chain Organic Compounds (Fatty Alcohol, Fatty Ester, Acylglycerol, and n-Paraffin) at Subatmospheric Pressures
- Liquid Viscosity and Interfacial Tension of Binary and Ternary Mixtures Containing n-Octacosane by Surface Light Scattering
- Vapor Pressures and Vaporization Enthalpies of the n-Alkanes from C21 to C30 at T = 298.15 K by Correlation Gas Chromatography
- A Gas Saturation Apparatus for Very Low Vapor or Sublimation Pressure Measurements (10-3 Pa): Vapor-Liquid Equilibria of n-Alkanes (n-C10, n-C24, n-C28)
- Vapor and Sublimation Pressures of Three Normal Alkanes: C20, C24, and C28
- Joback Method
- KDB
- McGowan Method
- 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.