- InChI
- InChI=1S/C9H20/c1-6-8(3)9(4,5)7-2/h8H,6-7H2,1-5H3
- InChI Key
- ARWOOWBJJKVYOV-UHFFFAOYSA-N
- Formula
- C9H20
- SMILES
- CCC(C)C(C)(C)CC
- Molecular Weight1
- 128.26
- CAS
- 16747-31-2
- Other Names
-
- 3,3,4-Trimethylhexane
- 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).
- ΔfH°liquid : Liquid phase 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).
- 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).
- Inp : Non-polar retention indices.
- Ip : Polar retention indices.
- Tboil : Normal Boiling Point Temperature (K).
- Tc : Critical Temperature (K).
- 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 |
|---|---|---|---|
| ω | 0.3210 | Relay (1.0) Calculated Property | |
| ΔcH°liquid | -6122.36 ± 0.75 | kJ/mol | NIST |
| ΔfG° | 25.30 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | -241.63 | kJ/mol | Relay (1.0) Calculated Property |
| ΔfH°liquid | -277.50 ± 0.92 | kJ/mol | NIST |
| ΔfusH° | 8.13 | kJ/mol | Joback Calculated Property |
| ΔvapH° | 42.20 | kJ/mol | NIST |
| log10WS | -4.89 | Relay (1.0) Calculated Property | |
| logPoct/wat | 3.469 | Crippen Calculated Property | |
| McVol | 137.670 | ml/mol | McGowan Calculated Property |
| Pc | 2367.97 | kPa | Joback Calculated Property |
| Inp | [837.00; 860.00] |
|
|
| Inp | 846.00 | NIST | |
| Inp | 855.00 | NIST | |
| Inp | 848.00 | NIST | |
| Inp | 851.70 | NIST | |
| Inp | 857.10 | NIST | |
| Inp | 850.80 | NIST | |
| Inp | 851.00 | NIST | |
| Inp | 855.10 | NIST | |
| Inp | 854.40 | NIST | |
| Inp | Outlier 837.00 | NIST | |
| Inp | 839.00 | NIST | |
| Inp | 840.00 | NIST | |
| Inp | 841.00 | NIST | |
| Inp | 855.00 | NIST | |
| Inp | 852.00 | NIST | |
| Inp | 855.00 | NIST | |
| Inp | 858.00 | NIST | |
| Inp | 860.00 | NIST | |
| Inp | 854.00 | NIST | |
| Inp | 847.00 | NIST | |
| Inp | 847.00 | NIST | |
| Inp | 846.00 | NIST | |
| Inp | 849.00 | NIST | |
| Inp | 855.00 | NIST | |
| Inp | 855.00 | NIST | |
| Inp | 855.00 | NIST | |
| Inp | 847.00 | NIST | |
| Inp | 851.00 | NIST | |
| Inp | 839.00 | NIST | |
| Inp | 854.00 | NIST | |
| Inp | 860.00 | NIST | |
| Ip | [816.00; 820.00] |
|
|
| Ip | 816.00 | NIST | |
| Ip | 820.00 | NIST | |
| Ip | 816.00 | NIST | |
| Tboil | [413.05; 413.57] | K |
|
| Tboil | 413.57 ± 0.15 | K | NIST |
| Tboil | 413.05 ± 0.50 | K | NIST |
| Tc | 604.24 | K | Relay (1.0) Calculated Property |
| Tfus | [171.95; 172.05] | K |
|
| Tfus | 172.05 | K | Jean-Claude Bradley Open Melting Point Dataset (2014, CC0) Compiled value |
| Tfus | 171.95 ± 0.05 | K | NIST |
| Vc | 0.481 | m3/kmol | Relay (1.0) Calculated Property |
Cheméo can also estimate Ionization energy for this compound, but it falls outside the models' validated range, so it is not shown here. Open the prediction tool to compute it on demand.
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [194.63; 485.65] | 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 | -3.14480e+01 | |||
| Coefficient B | 9.90600e-01 | |||
| Coefficient C | -6.40800e-04 | |||
| Coefficient D | 1.67300e-07 | |||
| Coefficient E | 0.00000e+00 | |||
| Temperature range, min. | 273.00 | |||
| Temperature range, max. | 1000.00 | |||
| Cp,gas | 194.63 | J/mol×K | 273.00 | Calculated Property |
| Cp,gas | 246.21 | J/mol×K | 353.78 | Calculated Property |
| Cp,gas | 291.74 | J/mol×K | 434.56 | Calculated Property |
| Cp,gas | 331.76 | J/mol×K | 515.33 | Calculated Property |
| Cp,gas | 366.79 | J/mol×K | 596.11 | Calculated Property |
| Cp,gas | 397.36 | J/mol×K | 676.89 | Calculated Property |
| Cp,gas | 424.01 | J/mol×K | 757.67 | Calculated Property |
| Cp,gas | 447.25 | J/mol×K | 838.44 | Calculated Property |
| Cp,gas | 467.62 | J/mol×K | 919.22 | Calculated Property |
| Cp,gas | 485.65 | J/mol×K | 1000.00 | Calculated Property |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| η | [0.0302967; 0.0002471] | Pa×s | [172.00; 405.60] |
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 | -1.18469e+01 | |||
| Coefficient B | 1.43624e+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. | 172.00 | |||
| Temperature range, max. | 405.60 | |||
| η | 0.0302967 | Pa×s | 172.00 | Calculated Property |
| η | 0.0101370 | Pa×s | 197.96 | Calculated Property |
| η | 0.0043718 | Pa×s | 223.91 | Calculated Property |
| η | 0.0022454 | Pa×s | 249.87 | Calculated Property |
| η | 0.0013073 | Pa×s | 275.82 | Calculated Property |
| η | 0.0008354 | Pa×s | 301.78 | Calculated Property |
| η | 0.0005730 | Pa×s | 327.73 | Calculated Property |
| η | 0.0004154 | Pa×s | 353.69 | Calculated Property |
| η | 0.0003147 | Pa×s | 379.64 | Calculated Property |
| η | 0.0002471 | Pa×s | 405.60 | Calculated Property |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [1.33; 202.66] | kPa | [302.49; 441.82] |
The Yaws Handbook of Vapor Pressure
|
| Equation | ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K | |||
| Coefficient A | 1.38943e+01 | |||
| Coefficient B | -3.23887e+03 | |||
| Coefficient C | -6.44510e+01 | |||
| Temperature range, min. | 302.49 | |||
| Temperature range, max. | 441.82 | |||
| Pvap | 1.33 | kPa | 302.49 | Calculated Property |
| Pvap | 3.06 | kPa | 317.97 | Calculated Property |
| Pvap | 6.38 | kPa | 333.45 | Calculated Property |
| Pvap | 12.29 | kPa | 348.93 | Calculated Property |
| Pvap | 22.13 | kPa | 364.41 | Calculated Property |
| Pvap | 37.59 | kPa | 379.90 | Calculated Property |
| Pvap | 60.76 | kPa | 395.38 | Calculated Property |
| Pvap | 94.10 | kPa | 410.86 | Calculated Property |
| Pvap | 140.38 | kPa | 426.34 | Calculated Property |
| Pvap | 202.66 | kPa | 441.82 | Calculated Property |
| Pvap | [1.33; 2636.24] | kPa | [300.15; 602.30] |
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 | 8.53062e+01 | |||
| Coefficient B | -7.82480e+03 | |||
| Coefficient C | -1.04380e+01 | |||
| Coefficient D | 6.54368e-06 | |||
| Coefficient E | 0.00000e+00 | |||
| Temperature range, min. | 300.15 | |||
| Temperature range, max. | 602.30 | |||
| Pvap | 1.33 | kPa | 300.15 | Calculated Property |
| Pvap | 6.96 | kPa | 333.72 | Calculated Property |
| Pvap | 25.44 | kPa | 367.29 | Calculated Property |
| Pvap | 71.97 | kPa | 400.87 | Calculated Property |
| Pvap | 168.80 | kPa | 434.44 | Calculated Property |
| Pvap | 344.47 | kPa | 468.01 | Calculated Property |
| Pvap | 633.30 | kPa | 501.58 | Calculated Property |
| Pvap | 1076.09 | kPa | 535.16 | Calculated Property |
| Pvap | 1722.65 | kPa | 568.73 | Calculated Property |
| Pvap | 2636.24 | kPa | 602.30 | Calculated Property |
Similar Compounds
Find more compounds similar to Hexane, 3,3,4-trimethyl-.
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).
- 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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