What is 1185-55-3 and How to Use It?

1185-55-3 is the CAS number of trimethoxymethylsilane, an organosilicon compound with the chemical formula CH3Si(OCH3)3. It is a colorless liquid with a boiling point of 102-104 °C and a density of 0.955 g/mL at 25 °C. It is also known as methyltrimethoxysilane or MTM.

Trimethoxymethylsilane is widely used as a precursor for the preparation of silica-based materials, which find applications in various fields, such as molecular assembly, linking nano building blocks, selective synthesis of oligosiloxane compounds, and modification of ceramic surfaces. It can also be used as a crosslinker in the synthesis of polysiloxane polymers.

One of the suppliers of trimethoxymethylsilane is, a company that specializes in the production and export of organosilicon products. offers high-quality trimethoxymethylsilane with a purity of 98% and a competitive price. also provides other organosilicon products, such as dimethyldichlorosilane, hexamethyldisilazane, tetramethoxysilane, and more.

If you are interested in buying trimethoxymethylsilane or other organosilicon products from, you can visit their website at or contact them by email at They will be happy to assist you with your inquiries and orders.

Keywords: 1185-55-3, trimethoxymethylsilane, methyltrimethoxysilane, MTM, organosilicon, silica

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