CAS No.: | 11099-06-2 |
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Formula: | C8h20o4si |
EINECS: | 201-083-8 |
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Ethyl orthosilicate is a colourless liquid with a pungent odour. It is an organosilicon compound. Ethyl orthosilicate has good thermal stability and weather resistance, and is soluble in organic solvents, but almost insoluble in water.
Ethyl orthosilicate has a wide range of industrial applications. It is commonly used as a sealant, adhesive, lubricant and coating additive, which can improve the weathering and chemical resistance of products. Ethyl orthosilicate is also used in the preparation of materials such as silicate ceramics, silicone rubber and diatomaceous earth.
The method of preparing ethyl orthosilicate is mainly through an alcoholysis reaction. Typically, ethanol and trichlorosilane are reacted to produce ethyl orthosilicate and hydrogen chloride.
Safety Information for Ethyl Orthosilicate: It is an irritant and may cause irritation and eye irritation in contact with skin or eyes. Care should be taken when using it by wearing appropriate protective gloves and goggles. Care should be taken to avoid inhalation or ingestion during handling. In case of inadvertent contact with skin or eyes, wash and seek medical attention. Ethyl orthosilicate is also flammable and should be kept away from open flames and heat sources, stored tightly closed, and avoided contact with oxidising agents, acids and other substances.
CAS | 78-10-4 1109-96-2 11099-06-2 |
EINECS | 201-083-8 |
chemical formula | C8H20O4Si |
molecular mass | 208.33 |
flash point | 116°F |
Ethyl orthosilicate is an organosilicon compound. It has the appearance of a colourless liquid with high volatility and low viscosity.
Ethyl orthosilicate has many applications. It is often used as a reagent in organic synthesis. Ethyl orthosilicate can be used as a catalyst or reaction intermediate to participate in a variety of organic reactions, such as esterification and etherification. Its high reactivity and good solubility can promote the organic synthesis reaction.
Ethyl orthosilicate is also often used as a precursor for surface coating materials. It can be used in solution to prepare special siloxane polymers, which are then applied to the surface of the material by coating, spraying or impregnating. The silicone coatings thus formed can provide good abrasion and corrosion resistance, as well as improve the waterproofing and weatherability of the coating material.
In addition, the ethyl orthosilicate can be used to prepare silicate glass or ceramic materials. By adding an appropriate amount of ethyl orthosilicate to the glass or ceramic raw material, after drying and sintering and other processes, the hardness, heat resistance and corrosion resistance of the material can be improved.