Product Code

AC-N123

Methyltriethoxysilane

CAS Number
2031-67-6

Description

Trifunctional alkoxy silane crosslinker for neutral (alcohol) cure RTV silicones. Releases ethanol on cure, so it is safe on concrete, natural stone and sensitive metals. Also widely used as a water repellent and hydrophobing agent for mineral substrates.

Synonyms

MTETriethoxymethylsilaneMethyl Triethoxysilanealkoxysilanemoisture cure crosslinkercrosslinking agentTriethoxy(methyl)silaneTriethoxysilylmethaneMethaneorthosiliconic acid, triethyl esterCH3Si(OC2H5)3C7H18O3Si

Cross-Reference

Comparable products from other manufacturers, for identification purposes only.

A-162 (Momentive)Z-6370 (Dow Corning)KBE-13 (Shin-Etsu)MTES (Evonik)M1-TRIETHOXY (Wacker)

Key applications

  • Neutral-cure RTV sealants
  • Masonry and concrete water repellency
  • Mineral filler hydrophobing
  • Sol-gel and protective coatings

Characteristics

FunctionalityAlkoxy
Cure by-productAlcohol
Typical useNeutral cure RTV, water repellents, sol-gel
FamilyAlkoxy Silanes
Molecular formulaC7H18O3Si
Molecular weight178.3 g/mol

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