Chlorosilane

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Zhongtian East Fluorine Silicon Material Co., Ltd.,a silicone products manufacturer, mainly engaged in organic silicon monomer, research and development of fluorine silicon new materials and silicone sealant.

Chlorosilanes are a class of liquids that range in color from clear colorless to light yellow colored. A clear to light yellow liquid. Slightly more dense than water. Contact may burn skin, eyes and mucous membranes. May be toxic by ingestion, inhalation, and skin absorption. Used to make other chemicals.

Zhongtian Chlorosilane Product Series

As a local China silicone products manufacturer, the chlorosilaneproduct series oofered by Zhongtian consists of methyl chlorosilane, dimethyldichlorosilane and trimethyl chloro silane. Prepared by the reaction of silicon powder and methyl chloride (CH3CI) gas through direct synthesis, the methyl chlorosilanes produced from chlorosilane (trimethyl, dimethyl and methyl chlorosilane) are the components of various silicone substances. Chlorosilanes are used as silicon sources in the production of silicon epitaxial wafers and as raw materials for the preparation of organochlorosilanes

Chlorosilane Synthesis

Chlorosilanes are prepared by reacting silica powder (derived from natural silica by an electrochemical process) with CH3CI or chloromethane gas (formed in a reaction between HCI and CH30H or methanol). This process is called the direct synthesis of chlorosilane, which is carried out in a large reactor and produces a crude mixture of several liquid chlorosilanes that must then be separated by distillation. The chlorosilanes then generated are the building blocks for the subsequent production of various silicone substances: the central silicon atom is combined with various numbers of chlorine atoms, each providing a potential reaction site for the hydrolysis reaction, allowing the length and branching of the polymer molecular backbone to be controlled. The three types of methylchlorosilanes obtained for silicone production during the direct synthesis are trimethyl chlorosilane, dimethylchlorosilane, and methyltrichlorosilane.

Chlorosilane Reactions

Chlorosilane is a liquid as clear and flowable as water. Chlorosilane is flammable but volatile, and it is easily hydrolyzed and fumes in the air. It is quite inert to metals (when in absolutely dry condition) and does not even react with sodium metal. It is prepared by the reaction of SiCl4 with hydrogen or SiH4 with chlorine. Chlorosilanes can react vigorously with compounds containing active hydrogen, such as water, alcohols, phenols, silanols, organic acids, etc., and release hydrogen chloride. While reacting with organometallic compounds, the chlorine atom is replaced by the corresponding organic group to produce organochlorosilanes or organosilanes.

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