It is a colorless non-flammable liquid. It is one of the most effective fire extinguishers, however, it is the most toxic one.
CAS no: 75-61-6
Properties
Generic Properties
| Property | Value | Unit |
|---|---|---|
| Chemical Formula | CBr2F2 | - |
| Molecular Weight | 209.816 | - |
| Heat of Combustion | -114.4 | kJ/kg |
Critical Properties
| Property | Value | Unit |
|---|---|---|
| Critical Temperature | 478 | K |
| Critical Pressure | 53.3 | bar |
| Critical Volume | 249 | cm3/mol |
| Critical Density | 0.8426 | g/cm3 |
| Critical Z | 0.334 | - |
| Accentric Factor | 0.2 | - |
Temperature Dependent Properties
Specific Heat
The specific heat at constant pressure can be calculated with the formula:
| Constant | Gas | Liquid |
|---|---|---|
| A | 22.399 | 82.166 |
| B | 0.27403 | 0.23819 |
| C | -0.00037433 | -0.00074761 |
| D | 2.364E-07 | 1.4805E-06 |
| E | -5.6067E-11 | - |
| T min (K) | 100 | 173 |
| T max (K) | 1500 | 387 |
Heat of Formation
The heat of formation can be calculated with the formula:
| Constant | Value |
|---|---|
| A | -419.87 |
| B | 0.0053364 |
| C | 1.3353E-06 |
| T min(K) | 332.62 |
| T max (K) | 1000 |
Viscosity
The viscosity can be calculated with the formula:
For liquid
For Gas
| Constant | Gas | Liquid |
|---|---|---|
| A | -18.809 | -2.3825 |
| B | 0.6222 | 343.61 |
| C | -0.0001238 | 0.0061 |
| D | - | -9.9243E-06 |
| T min(K) | 250 | 220 |
| T max(K) | 1000 | 478 |
Heat of Vaporization
The heat of vaporization can be calculated with the formula:
| Constant | Value |
|---|---|
| A | 39.175 |
| n | 0.399 |
| T min(K) | 163.05 |
| T max(K) | 478 |
Thermal Conductivity
The thermal conductivity can be calculated with the formula:
| Constant | Gas | Liquid |
|---|---|---|
| A | -0.0068122 | 0.1233 |
| B | 0.000044746 | -0.00009009 |
| C | -6.674E-09 | -2.2814E-07 |
| T min(K) | 250 | 193.05 |
| T max(K) | 1000 | 408 |
Liquid Density
The Liquid Density can be calculated with the Equation:
| Constant | Value |
|---|---|
| A | 0.8426 |
| B | 0.2772 |
| n | 0.2626 |
| T min(K) | 163.05 |
| T max(K) | 478 |
Saturation Pressure
The Saturation Pressure can be calculated with the Antoine Equation:
| Constant | Value |
|---|---|
| A | 7.22244 |
| B | 1203.61 |
| C | 254.436 |
| T min(C) | -110.1 |
| T max(C) | 204.85 |
Diffusion Coefficient at Infinite Dilution in Water
The Diffusion Coefficient at Infinite Dilution in Water can be calculation:
| Constant | Value |
|---|---|
| A | -1.454 |
| B | -1053.704 |
| T Min(K) | 274 |
| T Max(K) | 394 |
Diffusion Coefficient in Air
The Diffusion Coefficient in Air can be calculated with the Equation:
| Constant | Value |
|---|---|
| A | -0.038 |
| B | 0.00027469 |
| C | 5.5222E-07 |
| T min(K) | 200 |
| T max(K) | 1000 |