It is a colorless liquid with a sharp odor similar to that of hydrochloric acid. it is mainly used as a precursor for forming various cross-linked siloxane polymers. It is also known as trichloromethylsilane.

**CAS no: **75-79-6

## Properties

#### Generic Properties

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

Chemical Formula | CH3Cl3Si | - |

Molecular Weight | 149.477 | - |

Heat of Combustion | 6937.5 | kJ/kg |

#### Critical Properties

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

Critical Temperature | 517 | K |

Critical Pressure | 35.3 | bar |

Critical Volume | 340 | cm3/mol |

Critical Density | 0.4396 | g/cm3 |

Critical Z | 0.279 | - |

Accentric Factor | 0.263 | - |

### Temperature Dependent Properties

#### Specific Heat

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

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

A | 56.67 | 54.416 |

B | 0.20066 | 0.88694 |

C | -0.00016721 | -0.0028583 |

D | 7.253E-08 | 3.8406E-06 |

E | -1.2684E-11 | - |

T min(K) | 200 | 196 |

T max(K) | 1500 | 465 |

#### Heat of Formation

The heat of formation can be calculated with the formula:

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

A | -566.63 |

B | -0.022804 |

C | 0.000018352 |

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 | -10.703 | -5.0787 |

B | 0.3598 | 710.71 |

C | -0.000063928 | 0.0122 |

D | - | -0.000014351 |

T min(K) | 250 | 225 |

T max(K) | 1000 | 517 |

#### Heat of Vaporization

The heat of vaporization can be calculated with the formula:

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

A | 38.2 |

n | 0.287 |

T min(K) | 195.35 |

T max(K) | 517 |

#### Thermal Conductivity

The thermal conductivity can be calculated with the formula:

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

A | -0.0044974 | 0.1513 |

B | 0.00004175 | -0.000086304 |

C | 2.6577E-09 | -2.704E-07 |

T min(K) | 250 | 225.35 |

T max(K) | 1000 | 447 |

#### Liquid Density

The Liquid Density can be calculated with the Equation:

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

A | 0.4398 |

B | 0.2611 |

n | 0.2779 |

T min(K) | 195.35 |

T max(K) | 517 |

#### Diffusion Coefficient at Infinite Dilution in Water

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

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

A | -1.5117 |

B | -1061.326 |

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 | -0.03402 |

B | 0.00024055 |

C | 4.9737E-07 |

T min(K) | 200 |

T max(K) | 1000 |