Chlorotrimethylsilane CAS 75-77-4

Trimethylchlorosilane is a colorless transparent liquid with a pungent odor, exposed to air, and easily reacts with moisture to produce hydrogen chloride. Silicon-halogen bonding compounds. In industry, large-scale production capacity has been formed, generally using chloromethane and silica powder to be directly synthesized under the action of catalysts, and pure products are obtained by fractionation

Chemical formula: C3H9ClSi

Molecular weight: 108.64

CAS Accession Number: 75-77-4

Melting point: -40°C

Boiling point: 57.3°C

Density: 0.857g/cm3

Appearance: Colorless solution

Flash point: -18°C

Uses of trimethylchlorosilane:

1. Due to the special activity of silicon-halogen bonds, a series of silicon compounds containing silicon-functional group structures can be synthesized from trimethylchlorosilane, such as trimethylalkoxysilane, hexamethyldisisiloxane, hexamethyldisiazane, trimethylcyanosilane, etc.

2. Trimethylchlorosilane is an excellent reagent for introducing trimethylsilyl groups into organic molecules, which can be used as protective groups for functional groups such as hydroxyl groups, carboxyl groups, and amino groups. The reaction of joining and removing trimethylsilica groups has high yield, mild conditions, and a wide range of applications, and is used in organic synthesis.

3. Some biochemical samples are reacted with trimethylchlorosilane to obtain silanated derivatives, which have large volatility, so that the gas chromatography analysis of biochemical samples can be realized.

4. Trimethylchlorosilane is used as a heading agent for silicone polymers, which plays a role in regulating the molecular weight of polymers, especially in the production of silicone oil.