- InChI
- InChI=1S/CBr2F2/c2-1(3,4)5
- InChI Key
- AZSZCFSOHXEJQE-UHFFFAOYSA-N
- Formula
- CBr2F2
- SMILES
- FC(F)(Br)Br
- Molecular Weight1
- 209.82
- CAS
- 75-61-6
- Other Names
-
- CF2Br2
- Dibromodifluoromethane
- Difluorodibromomethane
- FREON 12-B2
- Halon 1202
- UN 1941
- 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).
- 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.
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Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| μ | 0.70 | debye | KDB |
| ΔfG° | -400.60 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | -412.28 | kJ/mol | Joback Calculated Property |
| ΔfusH° | 7.66 | kJ/mol | Joback Calculated Property |
| ΔvapH° | 27.76 | kJ/mol | Joback Calculated Property |
| IE | [10.98; 11.18] | eV |
|
| IE | 11.03 ± 0.04 | eV | NIST |
| IE | 10.98 ± 0.02 | eV | NIST |
| IE | 11.07 ± 0.03 | eV | NIST |
| IE | 11.18 | eV | NIST |
| log10WS | -2.41 | Crippen Calculated Property | |
| logPoct/wat | 2.327 | Crippen Calculated Property | |
| McVol | 63.490 | ml/mol | McGowan Calculated Property |
| Pc | 4130.00 | kPa | KDB |
| Inp | [477.00; 481.40] |
|
|
| Inp | 481.40 | NIST | |
| Inp | 477.00 | NIST | |
| Inp | 477.00 | NIST | |
| Inp | 477.00 | NIST | |
| Inp | 481.40 | NIST | |
| Tboil | [297.60; 298.00] | K |
|
| Tboil | 298.00 | K | KDB |
| Tboil | 297.60 | K | NIST |
| Tc | 471.30 | K | KDB |
| Tfus | [126.69; 163.00] | K |
|
| Tfus | 163.00 | K | KDB |
| Tfus | 131.61 ± 0.05 | K | NIST |
| Tfus | 126.69 ± 0.05 | K | NIST |
| Vc | 0.240 | m3/kmol | Joback Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [79.88; 95.61] | J/mol×K | [349.91; 551.49] |
|
| Cp,gas | 79.88 | J/mol×K | 349.91 | Joback Calculated Property |
| Cp,gas | 83.53 | J/mol×K | 383.51 | Joback Calculated Property |
| Cp,gas | 86.73 | J/mol×K | 417.10 | Joback Calculated Property |
| Cp,gas | 89.50 | J/mol×K | 450.70 | Joback Calculated Property |
| Cp,gas | 91.88 | J/mol×K | 484.30 | Joback Calculated Property |
| Cp,gas | 93.91 | J/mol×K | 517.90 | Joback Calculated Property |
| Cp,gas | 95.61 | J/mol×K | 551.49 | Joback Calculated Property |
| ΔvapH | [18.60; 26.10] | kJ/mol | [187.00; 272.00] |
|
| ΔvapH | 18.60 | kJ/mol | 187.00 | NIST |
| ΔvapH | 26.10 | kJ/mol | 272.00 | NIST |
| ρl | 2462.00 | kg/m3 | 288.00 | KDB |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [1.33; 202.64] | kPa | [212.14; 318.82] |
The Yaw...
|
| Equation | ln(Pvp) = A + B/(T + C) | |||
| Coefficient A | 1.44211e+01 | |||
| Coefficient B | -2.73386e+03 | |||
| Coefficient C | -1.87140e+01 | |||
| Temperature range, min. | 212.14 | |||
| Temperature range, max. | 318.82 | |||
| Pvap | 1.33 | kPa | 212.14 | Calculated Property |
| Pvap | 3.01 | kPa | 223.99 | Calculated Property |
| Pvap | 6.24 | kPa | 235.85 | Calculated Property |
| Pvap | 11.97 | kPa | 247.70 | Calculated Property |
| Pvap | 21.54 | kPa | 259.55 | Calculated Property |
| Pvap | 36.68 | kPa | 271.41 | Calculated Property |
| Pvap | 59.56 | kPa | 283.26 | Calculated Property |
| Pvap | 92.77 | kPa | 295.11 | Calculated Property |
| Pvap | 139.33 | kPa | 306.97 | Calculated Property |
| Pvap | 202.64 | kPa | 318.82 | Calculated Property |
| Pvap | [9.96e-03; 5227.96] | kPa | [163.05; 478.00] |
KDB Vap...
|
| Equation | ln(Pvp) = A + B/T + C*ln(T) + D*T^2 | |||
| Coefficient A | 4.96416e+01 | |||
| Coefficient B | -4.37805e+03 | |||
| Coefficient C | -5.41229e+00 | |||
| Coefficient D | 6.43814e-06 | |||
| Temperature range, min. | 163.05 | |||
| Temperature range, max. | 478.00 | |||
| Pvap | 9.96e-03 | kPa | 163.05 | Calculated Property |
| Pvap | 0.43 | kPa | 198.04 | Calculated Property |
| Pvap | 5.48 | kPa | 233.04 | Calculated Property |
| Pvap | 33.43 | kPa | 268.03 | Calculated Property |
| Pvap | 129.05 | kPa | 303.03 | Calculated Property |
| Pvap | 368.29 | kPa | 338.02 | Calculated Property |
| Pvap | 854.90 | kPa | 373.02 | Calculated Property |
| Pvap | 1716.89 | kPa | 408.01 | Calculated Property |
| Pvap | 3109.62 | kPa | 443.01 | Calculated Property |
| Pvap | 5227.96 | kPa | 478.00 | Calculated Property |
Similar Compounds
Find more compounds similar to Methane, dibromodifluoro-.
Sources
- KDB Vapor Pressure Data
- Crippen Method
- Crippen Method
- Joback Method
- KDB
- McGowan Method
- NIST Webbook
- The Yaws Handbook of Vapor Pressure
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