- InChI
- InChI=1S/C2H2Cl2F2/c3-1(5)2(4)6/h1-2H
- InChI Key
- IDSKMUOSMAUASS-UHFFFAOYSA-N
- Formula
- C2H2Cl2F2
- SMILES
- FC(Cl)C(F)Cl
- Molecular Weight1
- 134.94
- CAS
- 431-06-1
- ω : Acentric Factor.
- 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).
- ΔfusH° : Enthalpy of fusion at standard conditions (kJ/mol).
- ΔfusH : Enthalpy of fusion at a given temperature (kJ/mol).
- IE : Ionization energy (eV).
- 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).
- S°liquid : Liquid phase molar entropy at standard conditions (J/mol×K).
- 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 | 0.2895 | Relay (1.0) Calculated Property | |
| ΔfG° | -452.40 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | -534.21 | kJ/mol | Relay (1.0) Calculated Property |
| ΔfusH° | 8.44 | kJ/mol | Joback Calculated Property |
| IE | 11.67 | eV | Relay (1.0) Calculated Property |
| logPoct/wat | 2.055 | Crippen Calculated Property | |
| McVol | 67.060 | ml/mol | McGowan Calculated Property |
| Pc | 4119.70 | kPa | Joback Calculated Property |
| S°liquid | 253.01 | J/mol×K | NIST |
| Tboil | 342.82 | K | Relay (1.0) Calculated Property |
| Tc | 531.68 | K | Relay (1.0) Calculated Property |
| Tfus | 220.72 | K | Relay (1.0) Calculated Property |
| Vc | 0.266 | m3/kmol | Relay (1.0) Calculated Property |
Cheméo can also estimate Enthalpy of vaporization at standard conditions, Log10 of Water solubility in mol/l for this compound, but they fall outside the models' validated range, so they are not shown here. Open the prediction tool to compute them on demand.
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [97.46; 119.56] | J/mol×K | [317.68; 487.57] | 
|
| Cp,gas | 97.46 | J/mol×K | 317.68 | Joback Calculated Property |
| Cp,gas | 101.61 | J/mol×K | 345.99 | Joback Calculated Property |
| Cp,gas | 105.57 | J/mol×K | 374.31 | Joback Calculated Property |
| Cp,gas | 109.34 | J/mol×K | 402.62 | Joback Calculated Property |
| Cp,gas | 112.93 | J/mol×K | 430.94 | Joback Calculated Property |
| Cp,gas | 116.33 | J/mol×K | 459.25 | Joback Calculated Property |
| Cp,gas | 119.56 | J/mol×K | 487.57 | Joback Calculated Property |
| Cp,liquid | 151.49 | J/mol×K | 298.15 | NIST |
| ΔfusH | 8.19 | kJ/mol | 162.99 | NIST |
| ΔfusS | 50.30 | J/mol×K | 162.99 | NIST |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [1.33; 202.65] | kPa | [239.69; 340.31] |
The Yaws Handbook of Vapor Pressure
|
| Equation | ln(Pvp) = A + B/(T + C) | |||
| Coefficient A | 1.39001e+01 | |||
| Coefficient B | -2.34154e+03 | |||
| Coefficient C | -6.76770e+01 | |||
| Temperature range, min. | 239.69 | |||
| Temperature range, max. | 340.31 | |||
| Pvap | 1.33 | kPa | 239.69 | Calculated Property |
| Pvap | 3.06 | kPa | 250.87 | Calculated Property |
| Pvap | 6.38 | kPa | 262.05 | Calculated Property |
| Pvap | 12.29 | kPa | 273.23 | Calculated Property |
| Pvap | 22.12 | kPa | 284.41 | Calculated Property |
| Pvap | 37.57 | kPa | 295.59 | Calculated Property |
| Pvap | 60.74 | kPa | 306.77 | Calculated Property |
| Pvap | 94.08 | kPa | 317.95 | Calculated Property |
| Pvap | 140.36 | kPa | 329.13 | Calculated Property |
| Pvap | 202.65 | kPa | 340.31 | Calculated Property |
Similar Compounds
Find more compounds similar to 1,2-dichloro-1,2-difluoroethane.
Sources
- Cheméo Relay (1.0)
- Crippen Method
- Crippen Method
- Joback Method
- McGowan Method
- NIST Webbook
- The Yaws Handbook of Vapor Pressure
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