Triethoxymethylsilane (CAS No. 2031-67-6)

Triethoxymethylsilane (CAS No. 2031-67-6) is a clear, colorless liquid with a mild odor. It is a silane compound with the chemical formula (C₂H₅O)₃SiCH₃. Triethoxymethylsilane is a versatile chemical that is used in a variety of applications, including:

  • Silicone production: Triethoxymethylsilane is a key precursor to silicone polymers and resins. It is used to create silicone caulks, sealants, and coatings.
  • Surface modification: Triethoxymethylsilane can be used to modify the surface properties of materials. For example, it can be used to make metals more water-resistant or to improve the adhesion of paints and coatings.
  • Electronics: Triethoxymethylsilane is used in the manufacture of semiconductors and other electronic devices. It is used to create thin films that can be used to insulate or conduct electricity.
  • Cosmetics: Triethoxymethylsilane is used in some cosmetics as a film former and to improve the water resistance of products.

Triethoxymethylsilane is a safe and effective chemical when used properly. However, it can be harmful if inhaled or ingested. It is important to follow safety precautions when working with triethoxymethylsilane, such as wearing gloves and a respirator.

Product codePR-1620
English name:Methyltriethoxysilane
Molecular Structure:
Molecular formula:7 H 18 O 3 Si
Molecular weight:178.30
CAS Number:2031-67-6
EINECS number:217-983-9
Physical and chemical properties
Boiling point:141-143ºC
Water Solubility:insoluble
Refractive index:1.3825-1.3845
Flash point:23ºC

Description: colorless liquid. The boiling point is 143°C, the relative density (20/4°C) is 0.8923, and the refractive index (nD20) is 1.3835. Soluble in ethanol, benzene, gasoline.

Applications :
1. Used in the rubber or pharmaceutical industry
2. Used as a raw material for organic silicon polymers
3. Used as an important raw material for the production of silicone resin, benzyl silicone oil and waterproofing agent.
4. At the same time, it is easy to hydrolyze, and can be used to produce alkali metal silicon alkoxide with alkali metal hydroxide.
5. It can be used as a crosslinking agent for greenhouse vulcanized silicone rubber.
7. It can be used as cross-linking agent for silicone rubber and modified synthetic resin;
8. It can be used as fire retardant, primer and water-repellent agent for hard plastic layers .

Packing : for 200kg closed steel drum, net weight 160kg