- InChI
- InChI=1S/C2H2F2/c1-2(3)4/h1H2
- InChI Key
- BQCIDUSAKPWEOX-UHFFFAOYSA-N
- Formula
- C2H2F2
- SMILES
- C=C(F)F
- Molecular Weight1
- 64.03
- CAS
- 75-38-7
- Other Names
-
- 1,1-DIFLUOROETHENE
- 1,1-Difluoroethylene
- CH2=CF2
- Ethylene, 1,1-difluoro-
- FC 1132a
- Genetron 1132a
- Halocarbon 1132A
- NCI-C60208
- UN 1959
- VDF
- VINYLIDENE DIFLUORIDE
- Vinylidene fluoride
- ω : Acentric Factor.
- PAff : Proton affinity (kJ/mol).
- BasG : Gas basicity (kJ/mol).
- ΔcH°gas : Standard gas enthalpy of combustion (kJ/mol).
- Cp,gas : Ideal gas heat capacity (J/mol×K).
- μ : Dipole Moment (debye).
- 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).
- 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).
- ρc : Critical density (kg/m3).
- ρl : Liquid Density (kg/m3).
- Inp : Non-polar retention indices.
- γ : Surface Tension (N/m).
- Tboil : Normal Boiling Point Temperature (K).
- Tc : Critical Temperature (K).
- Tfus : Normal melting (fusion) point (K).
- Vc : Critical Volume (m3/kmol).
- Zc : Critical Compressibility.
- 1: Molecular weight from the IUPAC atomic weights tables.
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Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| ω | 0.1400 | KDB | |
| PAff | 734.00 | kJ/mol | NIST |
| BasG | 705.10 | kJ/mol | NIST |
| ΔcH°gas | [-1097.00; -1087.00] | kJ/mol |
|
| ΔcH°gas | -1087.00 ± 10.00 | kJ/mol | NIST |
| ΔcH°gas | -1097.00 ± 3.00 | kJ/mol | NIST |
| μ | 1.40 | debye | KDB |
| ΔfG° | -321.70 | kJ/mol | KDB |
| ΔfH°gas | [-345.40; -325.00] | kJ/mol |
|
| ΔfH°gas | -345.40 | kJ/mol | KDB |
| ΔfH°gas | -344.00 ± 10.00 | kJ/mol | NIST |
| ΔfH°gas | -325.00 ± 3.00 | kJ/mol | NIST |
| ΔfH°gas | -334.00 ± 0.84 | kJ/mol | NIST |
| ΔfusH° | 4.51 | kJ/mol | Joback Calculated Property |
| ΔvapH° | 17.82 | kJ/mol | Joback Calculated Property |
| IE | [10.29; 10.70] | eV |
|
| IE | 10.29 ± 0.01 | eV | NIST |
| IE | 10.29 | eV | NIST |
| IE | 10.29 ± 0.02 | eV | NIST |
| IE | 10.29 | eV | NIST |
| IE | 10.29 ± 0.01 | eV | NIST |
| IE | 10.31 | eV | NIST |
| IE | 10.31 ± 0.02 | eV | NIST |
| IE | 10.30 | eV | NIST |
| IE | Outlier 10.70 ± 0.02 | eV | NIST |
| IE | 10.69 ± 0.02 | eV | NIST |
| log10WS | -1.21 | Crippen Calculated Property | |
| logPoct/wat | 1.397 | Crippen Calculated Property | |
| McVol | 38.280 | ml/mol | McGowan Calculated Property |
| Pc | [4433.31; 4460.00] | kPa |
|
| Pc | 4460.00 | kPa | KDB |
| Pc | 4433.31 ± 110.32 | kPa | NIST |
| ρc | [409.82; 416.86] | kg/m3 |
|
| ρc | 409.82 | kg/m3 | NIST |
| ρc | 416.86 ± 14.73 | kg/m3 | NIST |
| Inp | [194.00; 214.00] |
|
|
| Inp | 214.00 | NIST | |
| Inp | 194.00 | NIST | |
| Inp | 194.00 | NIST | |
| Tboil | [187.40; 190.20] | K |
|
| Tboil | 187.40 | K | KDB |
| Tboil | 190.00 | K | NIST |
| Tboil | 190.20 | K | NIST |
| Tc | [302.74; 303.25] | K |
|
| Tc | 302.90 | K | KDB |
| Tc | 302.74 | K | NIST |
| Tc | 303.25 ± 0.70 | K | NIST |
| Tfus | 129.00 | K | KDB |
| Vc | 0.154 | m3/kmol | KDB |
| Zc | 0.2727220 | KDB |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [50.32; 67.69] | J/mol×K | [240.26; 384.06] |
|
| Cp,gas | 50.32 | J/mol×K | 240.26 | Joback Calculated Property |
| Cp,gas | 53.51 | J/mol×K | 264.23 | Joback Calculated Property |
| Cp,gas | 56.58 | J/mol×K | 288.19 | Joback Calculated Property |
| Cp,gas | 59.53 | J/mol×K | 312.16 | Joback Calculated Property |
| Cp,gas | 62.36 | J/mol×K | 336.13 | Joback Calculated Property |
| Cp,gas | 65.08 | J/mol×K | 360.10 | Joback Calculated Property |
| Cp,gas | 67.69 | J/mol×K | 384.06 | Joback Calculated Property |
| ΔvapH | [9.50; 13.20] | kJ/mol | [233.00; 273.00] |
|
| ΔvapH | 13.20 | kJ/mol | 233.00 | NIST |
| ΔvapH | 9.50 | kJ/mol | 273.00 | NIST |
| ρl | 617.00 | kg/m3 | 297.00 | KDB |
| γ | 0.02 | N/m | 173.20 | KDB |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [0.67; 3893.04] | kPa | [129.15; 302.80] |
The Yaw...
|
| Equation | ln(Pvp) = A + B/(T + C) | |||
| Coefficient A | 1.38675e+01 | |||
| Coefficient B | -1.60147e+03 | |||
| Coefficient C | -1.68530e+01 | |||
| Temperature range, min. | 129.15 | |||
| Temperature range, max. | 302.80 | |||
| Pvap | 0.67 | kPa | 129.15 | Calculated Property |
| Pvap | 5.46 | kPa | 148.44 | Calculated Property |
| Pvap | 25.89 | kPa | 167.74 | Calculated Property |
| Pvap | 86.24 | kPa | 187.03 | Calculated Property |
| Pvap | 224.84 | kPa | 206.33 | Calculated Property |
| Pvap | 491.04 | kPa | 225.62 | Calculated Property |
| Pvap | 939.64 | kPa | 244.92 | Calculated Property |
| Pvap | 1624.95 | kPa | 264.21 | Calculated Property |
| Pvap | 2595.92 | kPa | 283.51 | Calculated Property |
| Pvap | 3893.04 | kPa | 302.80 | Calculated Property |
Similar Compounds
Find more compounds similar to Ethene, 1,1-difluoro-.
Sources
- Crippen Method
- Crippen Method
- Joback Method
- KDB
- McGowan Method
- NIST Webbook
- The Yaws Handbook of Vapor Pressure
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