- 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] |
|
| 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] |
|
| 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] |
|
| 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] |
|
| 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] |
|
| 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 | |||
| 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 | |||
| 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
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