n-Hexyltriethoxysilane 18166-37-5


n-Hexyltriethoxysilane (CAS 18166-37-5) is a colorless, water-clear liquid with a mild odor. It is a silane compound that is used in a variety of applications, including the production of silicones, varnishes, and adhesives.

Structure and properties:

The molecular formula of n-Hexyltriethoxysilane is C12H28O3Si. It has a molecular weight of 248.44 g/mol. The compound is a clear, colorless liquid with a mild odor. It is miscible with water and most organic solvents.


n-Hexyltriethoxysilane is synthesized by the reaction of 1-hexene with silicon tetrachloride in the presence of an acid catalyst. The reaction is carried out at elevated temperatures and pressures.


n-Hexyltriethoxysilane is used in a variety of applications, including:

  • The production of silicones
  • The production of varnishes
  • The production of adhesives
  • The production of water-repellent coatings
  • The production of anti-fog coatings
  • The production of sealants
  • The production of foams
  • The production of elastomers
  • The production of catalysts

Safety precautions:

n-Hexyltriethoxysilane is a flammable and irritant chemical. It can cause skin and eye irritation, and it can be harmful if inhaled. It is important to take precautions when handling n-Hexyltriethoxysilane, including wearing gloves, goggles, and a respirator.