It is the chemical compound used in diverse applications in organic synthesis. It is a greenhouse gas.

**CAS no: **75-46-7

## Properties

#### Generic Properties

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

Chemical Formula | CHF3 | - |

Molecular Weight | 70.014 | - |

Heat of Combustion | -2555.2 | kJ/kg |

Boiling Point | 190.99 | K |

Freezing Point | 117.97 | K |

Flash Point | 160.9277778 | K |

UEL | 35.3 | vol % |

#### Critical Properties

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

Critical Temperature | 298.89 | K |

Critical Pressure | 48.36 | bar |

Critical Volume | 133.3 | cm3/mol |

Critical Density | 0.5252 | g/cm3 |

Critical Z | 0.259 | - |

Accentric Factor | 0.267 | - |

### Temperature Dependent Properties

#### Specific Heat

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

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

A | 23.287 | 21.532 | 0.034 |

B | 0.095385 | 0.84432 | 0.9233 |

C | 0.000020049 | -0.0046671 | -0.0029612 |

D | -7.443E-08 | 0.000010607 | - |

E | 2.7428E-11 | - | - |

T min(K) | 100 | 119 | 20 |

T max(K) | 1500 | 269 | 118 |

#### Heat of Formation

The heat of formation can be calculated with the formula:

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

A | -687.24 |

B | -0.024319 |

C | 0.000013388 |

T min(K) | 298.15 |

T max (K) | 1000 |

#### Viscosity

The viscosity can be calculated with the formula:

For liquid

For Gas

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

A | -10.495 | -21.308 |

B | 0.5695 | 1550.3 |

C | -0.00017587 | 0.0959 |

D | - | -0.00015489 |

T min(K) | 191 | 170 |

T max(K) | 700 | 299 |

#### Heat of Vaporization

The heat of vaporization can be calculated with the formula:

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

A | 23.858 |

n | 0.355 |

T min(K) | 117.97 |

T max(K) | 298.89 |

#### Thermal Conductivity

The thermal conductivity can be calculated with the formula:

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

A | -0.0076392 | 0.2649 |

B | 0.000057962 | -0.00069 |

C | 2.8718E-08 | 0 |

T min(K) | 191 | 123 |

T max(K) | 700 | 273 |

#### Liquid Density

The Liquid Density can be calculated with the Equation:

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

A | 0.5244 |

B | 0.2549 |

n | 0.2891 |

T min(K) | 117.97 |

T max(K) | 298.89 |

#### Saturation Pressure

The Saturation Pressure can be calculated with the Antoine Equation:

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

A | 7.18249 |

B | 725.191 |

C | 250.743 |

T min(C) | -155.18 |

T max(C) | 25.74 |

#### Diffusion Coefficient at Infinite Dilution in Water

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

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

A | -1.3335 |

B | -1037.791 |

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 | -0.06817 |

B | 0.0004236 |

C | 7.9741E-07 |

T min(K) | 200 |

T max(K) | 1000 |