Dichloroacetaldehyde is a colorless liquid with a pungent odor.

**CAS no:** 79-02-7

## Properties

#### Generic Properties

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

Chemical Formula | C2H2Cl2O | - |

Molecular Weight | 112.942 | - |

Heat of Combustion | 7027 | kJ/kg |

Flash Point | 333.15 | K |

LEL | 9 | vol % |

UEL | 29 | vol % |

#### Critical Properties

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

Critical Temperature | 555 | K |

Critical Pressure | 49.5 | bar |

Critical Volume | 245 | cm3/mol |

Critical Density | 0.461 | g/cm3 |

Critical Z | 0.263 | - |

Accentric Factor | 0.344 | - |

### Temperature Dependent Properties

#### Specific Heat

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

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

A | 39.761 | 77.385 | 7.296 |

B | 0.13843 | 0.41996 | 0.42917 |

C | 9.8425E-06 | -0.0011965 | - |

D | -0.000000104 | 1.7408E-06 | - |

E | 4.4962E-11 | - | - |

Tmin(K) | 298 | 233 | 193 |

Tmax(K) | 1200 | 459 | 223 |

#### Heat of Formation

The heat of formation can be calculated with the formula:

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

A | -196.49 |

B | -0.0187 |

C | 0.000011969 |

Tmin(K) | 298.15 |

Tmax(K) | 1000 |

#### Viscosity

The viscosity can be calculated with the formula:

For liquid

For Gas

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

A | -13.985 | -18.42 |

B | 0.3778 | 2859.1 |

C | -0.000062847 | 0.04 |

D | - | -0.000032864 |

Tmin(K) | 250 | 293.15 |

Tmax(K) | 1000 | 527.25 |

#### Heat of Vaporization

The heat of vaporization can be calculated with the formula:

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

A | 51.064 |

n | 0.381 |

Tmin(K) | 223 |

Tmax(K) | 555 |

#### Saturation Pressure

The Saturation Pressure can be calculated with the Antoine Equation:

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

A | 7.31971 |

B | 1394.97 |

C | 225.411 |

Tmin (C) | -50.15 |

Tmax (C) | 281.85 |

#### Thermal Conductivity

The thermal conductivity can be calculated with the formula:

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

A | -0.0059363 | 0.1716 |

B | 0.000044857 | -0.00008488 |

C | 5.1702E-09 | -2.778E-07 |

Tmin(K) | 250 | 253 |

Tmax(K) | 1000 | 485 |

#### Liquid Density

The Liquid Density can be calculated with the Equation:

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

A | 0.4771 |

B | 0.254 |

n | 0.2857 |

Tmin(K) | 223 |

Tmax(K) | 555 |

#### Diffusion Coefficient at Infinite Dilution in Water

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

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

A | -1.4412 |

B | -1052.02 |

Tmin(K) | 274 |

Tmax(K) | 394 |

#### Diffusion Coefficient in Air

The Diffusion Coefficient in Air can be calculated with the Equation:

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

A | -0.04398 |

B | 0.00028282 |

C | 5.9344E-07 |

Tmin (K) | 200 |

Tmax (K) | 1000 |