- InChI
- InChI=1S/C40H82/c1-3-5-7-9-11-13-15-17-19-21-23-25-27-29-31-33-35-37-39-40-38-36-34-32-30-28-26-24-22-20-18-16-14-12-10-8-6-4-2/h3-40H2,1-2H3
- InChI Key
- KUPLEGDPSCCPJI-UHFFFAOYSA-N
- Formula
- C40H82
- SMILES
-
CCCCCCCCCCCCCCCCCCCCCCCCCCCCCC
CCCCCCCCCC - Molecular Weight1
- 563.08
- CAS
- 4181-95-7
- Other Names
-
- n-Tetracontane
- 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).
- 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.
- McVol : McGowan's characteristic volume (ml/mol).
- Pc : Critical Pressure (kPa).
- Pvap : Vapor pressure (kPa).
- ΔfusS : Entropy of fusion at a given temperature (J/mol×K).
- Tboil : Normal Boiling Point Temperature (K).
- Tc : Critical Temperature (K).
- αdiff : Thermal diffusivity (m2/s).
- Tfus : Normal melting (fusion) point (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° | 285.92 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | -868.93 | kJ/mol | Joback Calculated Property |
| ΔfusH° | 143.94 | kJ/mol | Observa... |
| ΔvapH° | 203.50 ± 0.20 | kJ/mol | NIST |
| log10WS | -16.57 | Crippen Calculated Property | |
| logPoct/wat | 15.850 | Crippen Calculated Property | |
| McVol | 574.460 | ml/mol | McGowan Calculated Property |
| Pc | 390.88 | kPa | Joback Calculated Property |
| Tboil | 1114.60 | K | Joback Calculated Property |
| Tc | 904.00 | K | Critica... |
| Tfus | [353.50; 354.55] | K |
|
| Tfus | 354.00 ± 3.00 | K | NIST |
| Tfus | 354.55 ± 0.30 | K | NIST |
| Tfus | 354.50 ± 1.00 | K | NIST |
| Tfus | 354.50 ± 1.50 | K | NIST |
| Tfus | 353.90 ± 1.50 | K | NIST |
| Tfus | 353.70 ± 4.00 | K | NIST |
| Tfus | 353.50 ± 4.00 | K | NIST |
| Vc | 2.276 | m3/kmol | Joback Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [2176.15; 2394.55] | J/mol×K | [1114.60; 1491.78] |
|
| Cp,gas | 2176.15 | J/mol×K | 1114.60 | Joback Calculated Property |
| Cp,gas | 2220.32 | J/mol×K | 1177.46 | Joback Calculated Property |
| Cp,gas | 2260.46 | J/mol×K | 1240.33 | Joback Calculated Property |
| Cp,gas | 2297.26 | J/mol×K | 1303.19 | Joback Calculated Property |
| Cp,gas | 2331.42 | J/mol×K | 1366.05 | Joback Calculated Property |
| Cp,gas | 2363.61 | J/mol×K | 1428.91 | Joback Calculated Property |
| Cp,gas | 2394.55 | J/mol×K | 1491.78 | Joback Calculated Property |
| η | [0.0000050; 0.0002420] | Pa×s | [540.56; 1114.60] |
|
| η | 0.0002420 | Pa×s | 540.56 | Joback Calculated Property |
| η | 0.0000778 | Pa×s | 636.23 | Joback Calculated Property |
| η | 0.0000337 | Pa×s | 731.91 | Joback Calculated Property |
| η | 0.0000177 | Pa×s | 827.58 | Joback Calculated Property |
| η | 0.0000106 | Pa×s | 923.25 | Joback Calculated Property |
| η | 0.0000070 | Pa×s | 1018.93 | Joback Calculated Property |
| η | 0.0000050 | Pa×s | 1114.60 | Joback Calculated Property |
| ΔfusH | [14.02; 143.94] | kJ/mol | [345.40; 354.60] |
|
| ΔfusH | 14.02 | kJ/mol | 345.40 | NIST |
| ΔfusH | 133.44 | kJ/mol | 353.20 | NIST |
| ΔfusH | 133.44 | kJ/mol | 353.20 | NIST |
| ΔfusH | 143.94 | kJ/mol | 354.60 | NIST |
| ΔvapH | [132.20; 203.50] | kJ/mol | [298.15; 677.50] |
|
| ΔvapH | 203.50 | kJ/mol | 298.15 | Hypothe... |
| ΔvapH | 132.20 | kJ/mol | 677.50 | NIST |
| ΔfusS | [40.58; 377.82] | J/mol×K | [345.40; 353.20] |
|
| ΔfusS | 40.58 | J/mol×K | 345.40 | NIST |
| ΔfusS | 377.82 | J/mol×K | 353.20 | NIST |
| αdiff | [6.57e-08; 6.86e-08] | m2/s | [448.09; 473.26] |
|
| αdiff | 6.57e-08 | m2/s | 448.09 | Thermal... |
| αdiff | 6.73e-08 | m2/s | 448.57 | Thermal... |
| αdiff | 6.86e-08 | m2/s | 473.26 | Thermal... |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [1.33; 202.65] | kPa | [625.81; 844.54] |
The Yaw...
|
| Equation | ln(Pvp) = A + B/(T + C) | |||
| Coefficient A | 1.43328e+01 | |||
| Coefficient B | -5.51646e+03 | |||
| Coefficient C | -2.33050e+02 | |||
| Temperature range, min. | 625.81 | |||
| Temperature range, max. | 844.54 | |||
| Pvap | 1.33 | kPa | 625.81 | Calculated Property |
| Pvap | 3.02 | kPa | 650.11 | Calculated Property |
| Pvap | 6.26 | kPa | 674.42 | Calculated Property |
| Pvap | 12.02 | kPa | 698.72 | Calculated Property |
| Pvap | 21.63 | kPa | 723.02 | Calculated Property |
| Pvap | 36.83 | kPa | 747.33 | Calculated Property |
| Pvap | 59.75 | kPa | 771.63 | Calculated Property |
| Pvap | 92.99 | kPa | 795.93 | Calculated Property |
| Pvap | 139.50 | kPa | 820.24 | Calculated Property |
| Pvap | 202.65 | kPa | 844.54 | Calculated Property |
Similar Compounds
Find more compounds similar to Tetracontane.
Mixtures
- Carbon monoxide + Tetracontane
- Hydrogen + Tetracontane
- Tetracontane + Water
- Toluene + Tetracontane
- Propane + Tetracontane
Sources
- 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
- Phase behaviour in the vicinity of the three-phase solid liquid vapour line in asymmetric nonpolar systems at high pressures
- Critical temperatures and pressures of C40, C44, and C60 normal alkanes measured by the pulse-heating technique
- High pressure solid solid and solid liquid transition data for long chain alkanes
- Observation of multiple phase transitions in some even n-alkanes using a high resolution and super-sensitive DSC
- Thermal and Mutual Diffusivity of Binary Mixtures of n-Dodecane and n-Tetracontane with Carbon Monoxide, Hydrogen, and Water from Dynamic Light Scattering (DLS)
- Hypothetical Thermodynamic Properties: Vapor Pressures and Vaporization Enthalpies of the Even n-Alkanes from C40 to C76 at T = 298.15 K by Correlation-Gas Chromatography. Are the Vaporization Enthalpies a Linear Function of Carbon Number?
- Joback Method
- McGowan Method
- NIST Webbook
- The Yaws Handbook of Vapor Pressure
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