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Methoxytriethyleneoxypropyltrimethoxysilane is an organosilane, which consists of carbon, hydrogen and silicon atoms. This compound has not been found to have any adverse effects through rigorous laboratory studies. It has several advantages in use. First, it is relatively inexpensive and readily available. Secondly, it has a wide range of applications, thus attracting the attention of a large number of researchers. Finally, it has low toxicity, which makes it safe to use in the laboratory.

Product Information

CAS No.132388-45-5
Catalog No.ACM132388455
Chemical NameMethoxytriethyleneoxypropyltrimethoxysilane
StructureMethoxytriethyleneoxypropyltrimethoxysilane Structure
Molecular FormulaC13H30O7Si
Molecular Weight326.46 g/mol
Purity≥ 97% (GC)
AppearanceColorless liquid
Boiling Point140°C/0.2mmHg
Density1.163 g/mL
Storage ConditionShading, sealed, dry place

Synthesis Method

Methoxytriethyleneoxypropyltrimethoxysilane can be synthesized by different methods. Among these methods, the most common is to react trimethoxysilane with ethylene oxide and propylene oxide in the presence of a catalyst. The reaction produces a mixture of the target compound and other organosilicon compounds. The mixture can then be purified by distillation or chromatography to isolate the target compound.


As an important organic compound, methoxytriethyleneoxypropyltrimethoxysilane has been used in a wide range of applications. Its main applications are described below.

  • As a lubricant

Methoxytriethyleneoxypropyltrimethoxysilane has the ability to reduce friction, provide anti-adhesive properties and improve surface sliding characteristics. Therefore, it can be used as a lubricant in some applications.

  • As a cross-linking agent

Methoxytriethyleneoxypropyltrimethoxysilane is used as a cross-linking agent in various polymer systems. It can react with functional groups to create crosslinking networks within the polymer matrix.

  • As a surfactant

Methoxytriethyleneoxypropyltrimethoxysilane reduces the surface tension of liquids, making them easier to spread.

  • Other

Methoxytriethyleneoxypropyltrimethoxysilane can be used as an emulsifier in the production of various detergents and personal care products. It is also used as a plasticizer in the production of plastic and rubber products. In addition, it is used in the synthesis of biological materials as well as nanomaterials. Finally, it is also used as an additive in fuel cells to improve the efficiency of fuel cell reactions.


Alfa Chemistry is a company that specializes in the sale of silicone-related products and supports product development and customization. Our methoxytriethyleneoxypropyltrimethoxysilane sells well in more than 20 countries and regions around the world. If you need, please feel free to contact us.

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