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Application and Preparation of Octyldimethylchlorosilane


Octyldimethylchlorosilane, a colorless and transparent liquid, is soluble in aromatic hydrocarbon and petroleum hydrocarbon solvent, and decomposes rapidly when encountering water and alcohol. It is a kind of widely used organosilicon intermediate. It is an important raw material of high-performance silicone surfactant, plastic, resin modifier and dendrimer.

Appearance: colorless and transparent liquid

Chroma, Blackness: ≤ 10

Density under 20 ℃: 0.868

Refractive index under 20 ℃: 1.3827

Viscosity 25℃㎜2/S: 2.0 ~ 2.5

Application 1: passivate and inactivate the liner of the detection column in the detection of organic chlorine, and generally 5% n-hexane solution for immersion is used.

Application 2: hydrosilylation agent of alkyne is made by organic synthesis,.

Preparation method of octyldimethylchlorosilane:

1. α - and α - and ω - hydrosilyl terminated organosilicon polymers are used as end capping agents.

2. The high strength and low density Si-C and Si-N ceramics are used as quenchant.

3. Tetramethyldisilazane can be prepared after ammonolysis of the product


4.It is used as the starting material for the preparation of organosilicon surfactant.

5. When modifying by organosilicon and making polyolefin, polyacrylate, polyamide, polyimide, polyester, polyurethane, epoxy, etc., this product is used as basic raw material.

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