Bromochlorodifluoromethane was introduced as an effective gaseous fire suppression agent in the mid-1960s. BCF was also widely used in the maritime industries and transport industries. Its efficiency as a fire extinguishing agent has also led it to be the predominant choice of fire extinguishing agent on commercial aircraft.

Other names of BCF includes Halon 1211 and Freon 12B1.

**CAS no: **353-59-3

## Properties

#### Generic Properties

Property | Value | Unit |
---|---|---|

Chemical Formula | CBrClF2 | - |

Molecular Weight | 165.364 | - |

Heat of Combustion | -345.6 | kJ/kg |

Boiling Point | 269.14 | K |

Freezing Point | 113.65 | K |

#### Critical Properties

Property | Value | Unit |
---|---|---|

Critical Temperature | 426.15 | K |

Critical Pressure | 42.54 | bar |

Critical Volume | 246 | cm3/mol |

Critical Density | 0.6722 | g/cm3 |

Critical Z | 0.295 | - |

Accentric Factor | 0.187 | - |

### Temperature Dependent Properties

#### Specific Heat

The specific heat at constant pressure can be calculated with the formula:

Constant | Gas | Liquid |
---|---|---|

A | 18.387 | 66.842 |

B | 0.27933 | 0.42713 |

C | -0.00037127 | -0.0017526 |

D | 2.289E-07 | 3.3738E-06 |

E | -5.3229E-11 | - |

T min (K) | 100 | 115 |

T max (K) | 1500 | 384 |

#### Heat of Formation

The heat of formation can be calculated with the formula:

Constant | Value |
---|---|

A | -452.47 |

B | 0.0041445 |

C | 1.8231E-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 | -15.462 | -5.3203 |

B | 0.544 | 525.67 |

C | -0.00012001 | 0.0186 |

D | - | -0.00002767 |

T min(K) | 250 | 160 |

T max(K) | 1000 | 426 |

#### Heat of Vaporization

The heat of vaporization can be calculated with the formula:

Constant | Value |
---|---|

A | 32.403 |

n | 0.371 |

T min(K) | 113.65 |

T max(K) | 426.15 |

#### Thermal Conductivity

The thermal conductivity can be calculated with the formula:

Constant | Gas | Liquid |
---|---|---|

A | -0.0056396 | 0.1286 |

B | 0.000050504 | 0.000018506 |

C | -8.885E-09 | -2.3077E-07 |

T min(K) | 250 | 114 |

T max(K) | 1000 | 405 |

#### Liquid Density

The Liquid Density can be calculated with the Equation:

Constant | Value |
---|---|

A | 0.672 |

B | 0.2562 |

n | 0.2644 |

T min(K) | 113.65 |

T max(K) | 426.15 |

#### Saturation Pressure

The Saturation Pressure can be calculated with the Antoine Equation:

Constant | Value |
---|---|

A | 7.04234 |

B | 1021.9 |

C | 249.569 |

T min(C) | -159.15 |

T max(C) | 153 |

#### Diffusion Coefficient at Infinite Dilution in Water

The Diffusion Coefficient at Infinite Dilution in Water can be calculation:

Constant | Value |
---|---|

A | -1.4425 |

B | -1052.182 |

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 | -0.03974 |

B | 0.00029169 |

C | 5.7653E-07 |

T min(K) | 200 |

T max(K) | 1000 |