- InChI
- InChI=1S/C4H8F2/c1-3-4(2,5)6/h3H2,1-2H3
- InChI Key
- IIADOUMJKYSCPM-UHFFFAOYSA-N
- Formula
- C4H8F2
- SMILES
- CCC(C)(F)F
- Molecular Weight1
- 94.10
- CAS
- 353-81-1
- Other Names
-
- 2,2-Difluorobutane
- Cp,gas : Ideal gas 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).
- 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).
- 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.
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Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| ΔfG° | -403.98 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | -526.86 | kJ/mol | Joback Calculated Property |
| ΔfusH° | 4.86 | kJ/mol | Joback Calculated Property |
| ΔvapH° | 21.57 | kJ/mol | Joback Calculated Property |
| log10WS | -1.81 | Crippen Calculated Property | |
| logPoct/wat | 2.052 | Crippen Calculated Property | |
| McVol | 70.760 | ml/mol | McGowan Calculated Property |
| Pc | 3572.80 | kPa | Joback Calculated Property |
| Inp | [434.00; 434.00] |
|
|
| Inp | 434.00 | NIST | |
| Inp | 434.00 | NIST | |
| Tboil | 304.00 ± 1.00 | K | NIST |
| Tc | 439.30 | K | Joback Calculated Property |
| Tfus | 138.44 | K | Joback Calculated Property |
| Vc | 0.284 | m3/kmol | Joback Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [109.75; 154.46] | J/mol×K | [286.23; 439.30] |
|
| Cp,gas | 109.75 | J/mol×K | 286.23 | Joback Calculated Property |
| Cp,gas | 118.10 | J/mol×K | 311.74 | Joback Calculated Property |
| Cp,gas | 126.07 | J/mol×K | 337.25 | Joback Calculated Property |
| Cp,gas | 133.68 | J/mol×K | 362.76 | Joback Calculated Property |
| Cp,gas | 140.94 | J/mol×K | 388.27 | Joback Calculated Property |
| Cp,gas | 147.86 | J/mol×K | 413.79 | Joback Calculated Property |
| Cp,gas | 154.46 | J/mol×K | 439.30 | Joback Calculated Property |
| ΔvapH | 30.00 | kJ/mol | 287.00 | NIST |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [1.33; 202.67] | kPa | [226.40; 324.24] |
The Yaw...
|
| Equation | ln(Pvp) = A + B/(T + C) | |||
| Coefficient A | 1.32951e+01 | |||
| Coefficient B | -2.02243e+03 | |||
| Coefficient C | -7.09140e+01 | |||
| Temperature range, min. | 226.40 | |||
| Temperature range, max. | 324.24 | |||
| Pvap | 1.33 | kPa | 226.40 | Calculated Property |
| Pvap | 3.12 | kPa | 237.27 | Calculated Property |
| Pvap | 6.58 | kPa | 248.14 | Calculated Property |
| Pvap | 12.72 | kPa | 259.01 | Calculated Property |
| Pvap | 22.89 | kPa | 269.88 | Calculated Property |
| Pvap | 38.75 | kPa | 280.76 | Calculated Property |
| Pvap | 62.30 | kPa | 291.63 | Calculated Property |
| Pvap | 95.78 | kPa | 302.50 | Calculated Property |
| Pvap | 141.69 | kPa | 313.37 | Calculated Property |
| Pvap | 202.67 | kPa | 324.24 | Calculated Property |
Similar Compounds
Find more compounds similar to Butane, 2,2-difluoro.
Sources
- Crippen Method
- Crippen Method
- Joback Method
- McGowan Method
- NIST Webbook
- The Yaws Handbook of Vapor Pressure
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