- InChI
- InChI=1S/C6H4F2/c7-5-1-2-6(8)4-3-5/h1-4H
- InChI Key
- QUGUFLJIAFISSW-UHFFFAOYSA-N
- Formula
- C6H4F2
- SMILES
- Fc1ccc(F)cc1
- Molecular Weight1
- 114.09
- CAS
- 540-36-3
- Other Names
-
- 1,4-DIFLUOROBENZENE
- Benzene, p-difluoro-
- p-Difluorobenzene
- para-Difluorobenzene
- ω : Acentric Factor.
- PAff : Proton affinity (kJ/mol).
- BasG : Gas basicity (kJ/mol).
- ΔcH°liquid : Standard liquid enthalpy of combustion (kJ/mol).
- Cp,gas : Ideal gas heat capacity (J/mol×K).
- Cp,liquid : Liquid phase heat capacity (J/mol×K).
- 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).
- 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.
- 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.
Cheméo is a service of Céondo GmbH, since 2007, we provide simulation, modelling and software development services for the industry.
Do not hesitate to contact us for your projects.
Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| ω | 0.2990 | KDB | |
| PAff | 718.70 | kJ/mol | NIST |
| BasG | 692.80 | kJ/mol | NIST |
| ΔcH°liquid | [-2954.00; -2948.40] | kJ/mol |
|
| ΔcH°liquid | -2948.40 ± 0.54 | kJ/mol | NIST |
| ΔcH°liquid | -2954.00 | kJ/mol | NIST |
| ΔfG° | -253.00 | kJ/mol | KDB |
| ΔfH°gas | [-307.40; -306.70] | kJ/mol |
|
| ΔfH°gas | -307.40 | kJ/mol | KDB |
| ΔfH°gas | -306.70 ± 1.00 | kJ/mol | NIST |
| ΔfH°liquid | -342.30 ± 1.00 | kJ/mol | NIST |
| ΔfusH° | 11.11 | kJ/mol | Joback Calculated Property |
| ΔvapH° | [35.60; 35.80] | kJ/mol |
|
| ΔvapH° | 35.62 | kJ/mol | NIST |
| ΔvapH° | 35.80 | kJ/mol | NIST |
| ΔvapH° | 35.68 | kJ/mol | NIST |
| ΔvapH° | 35.60 ± 0.20 | kJ/mol | NIST |
| IE | [9.14; 9.40] | eV |
|
| IE | 9.16 ± 0.00 | eV | NIST |
| IE | 9.16 ± 0.00 | eV | NIST |
| IE | 9.16 ± 0.00 | eV | NIST |
| IE | 9.14 | eV | NIST |
| IE | 9.14 ± 0.00 | eV | NIST |
| IE | 9.18 | eV | NIST |
| IE | 9.15 ± 0.06 | eV | NIST |
| IE | 9.15 | eV | NIST |
| IE | Outlier 9.40 | eV | NIST |
| IE | 9.29 | eV | NIST |
| IE | 9.15 | eV | NIST |
| IE | Outlier 9.40 ± 0.03 | eV | NIST |
| log10WS | [-1.97; -1.97] |
|
|
| log10WS | -1.97 | Aq. Sol... | |
| log10WS | -1.97 | Estimat... | |
| logPoct/wat | 1.965 | Crippen Calculated Property | |
| McVol | 75.180 | ml/mol | McGowan Calculated Property |
| Pc | 4400.00 | kPa | KDB |
| Inp | [665.00; 666.00] |
|
|
| Inp | 666.00 | NIST | |
| Inp | 665.00 | NIST | |
| Inp | 666.00 | NIST | |
| Tboil | [360.50; 362.20] | K |
|
| Tboil | 362.00 | K | KDB |
| Tboil | 360.50 ± 0.50 | K | NIST |
| Tboil | 362.20 | K | NIST |
| Tboil | 362.00 | K | NIST |
| Tboil | 362.00 ± 3.00 | K | NIST |
| Tc | 556.00 | K | KDB |
| Tfus | [249.60; 260.00] | K |
|
| Tfus | 260.00 | K | KDB |
| Tfus | 249.60 ± 0.08 | K | NIST |
| Vc | 0.299 | m3/kmol | Joback Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [121.64; 165.34] | J/mol×K | [366.88; 557.84] |
|
| Cp,gas | 121.64 | J/mol×K | 366.88 | Joback Calculated Property |
| Cp,gas | 129.96 | J/mol×K | 398.71 | Joback Calculated Property |
| Cp,gas | 137.84 | J/mol×K | 430.53 | Joback Calculated Property |
| Cp,gas | 145.31 | J/mol×K | 462.36 | Joback Calculated Property |
| Cp,gas | 152.37 | J/mol×K | 494.18 | Joback Calculated Property |
| Cp,gas | 159.04 | J/mol×K | 526.01 | Joback Calculated Property |
| Cp,gas | 165.34 | J/mol×K | 557.84 | Joback Calculated Property |
| Cp,liquid | [157.50; 159.10] | J/mol×K | [298.15; 298.15] |
|
| Cp,liquid | 159.10 | J/mol×K | 298.15 | NIST |
| Cp,liquid | 157.50 | J/mol×K | 298.15 | NIST |
| ΔvapH | 31.77 | kJ/mol | 362.00 | NIST |
| ρl | [1110.00; 1146.00] | kg/m3 | [296.10; 327.20] |
|
| ρl | 1146.00 | kg/m3 | 296.10 | Liquid-... |
| ρl | 1110.00 | kg/m3 | 327.20 | Liquid-... |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [0.94; 202.65] | kPa | [260.16; 386.08] |
The Yaw...
|
| Equation | ln(Pvp) = A + B/(T + C) | |||
| Coefficient A | 1.45561e+01 | |||
| Coefficient B | -3.16523e+03 | |||
| Coefficient C | -4.36940e+01 | |||
| Temperature range, min. | 260.16 | |||
| Temperature range, max. | 386.08 | |||
| Pvap | 0.94 | kPa | 260.16 | Calculated Property |
| Pvap | 2.27 | kPa | 274.15 | Calculated Property |
| Pvap | 4.99 | kPa | 288.14 | Calculated Property |
| Pvap | 10.06 | kPa | 302.13 | Calculated Property |
| Pvap | 18.87 | kPa | 316.12 | Calculated Property |
| Pvap | 33.29 | kPa | 330.12 | Calculated Property |
| Pvap | 55.69 | kPa | 344.11 | Calculated Property |
| Pvap | 89.00 | kPa | 358.10 | Calculated Property |
| Pvap | 136.67 | kPa | 372.09 | Calculated Property |
| Pvap | 202.65 | kPa | 386.08 | Calculated Property |
| Pvap | [9.40; 4401.73] | kPa | [300.15; 556.00] |
KDB Vap...
|
| Equation | ln(Pvp) = A + B/T + C*ln(T) + D*T^2 | |||
| Coefficient A | 7.10061e+01 | |||
| Coefficient B | -6.47535e+03 | |||
| Coefficient C | -8.37270e+00 | |||
| Coefficient D | 6.31383e-06 | |||
| Temperature range, min. | 300.15 | |||
| Temperature range, max. | 556.00 | |||
| Pvap | 9.40 | kPa | 300.15 | Calculated Property |
| Pvap | 31.90 | kPa | 328.58 | Calculated Property |
| Pvap | 86.51 | kPa | 357.01 | Calculated Property |
| Pvap | 198.30 | kPa | 385.43 | Calculated Property |
| Pvap | 399.98 | kPa | 413.86 | Calculated Property |
| Pvap | 731.07 | kPa | 442.29 | Calculated Property |
| Pvap | 1237.69 | kPa | 470.72 | Calculated Property |
| Pvap | 1973.53 | kPa | 499.14 | Calculated Property |
| Pvap | 3002.30 | kPa | 527.57 | Calculated Property |
| Pvap | 4401.73 | kPa | 556.00 | Calculated Property |
Similar Compounds
Find more compounds similar to Benzene, 1,4-difluoro-.
Sources
- KDB Vapor Pressure Data
- Crippen Method
- Liquid-Liquid Equilibria in Binary Mixtures Containing Fluorinated Benzenes and Ionic Liquid 1-Ethyl-3-methylimidazolium Bis(trifluoromethylsulfonyl)imide
- Joback Method
- KDB
- Aqueous Solubility Prediction Method
- Estimated Solubility Method
- 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.
Outlier This icon means
that the value is more than 2 standard deviations away from the
property mean.