Methyltrimethoxysilane - Materials / Alfa Chemistry

NAVIGATION

Methyltrimethoxysilane

PRICE INQUIRY

Catalog Number

ACMA00017024

Product Name

Methyltrimethoxysilane

Category

Polymers

Synonyms

Mesi(Ome)3

Description

Liquid; WetSolid, Liquid

IUPAC Name

trimethoxy(methyl)silane

Molecular Weight

136.3 g/mol

Molecular Formula

C4H12O3Si

Canonical SMILES

CO[Si](C)(OC)OC

InChI

InChI=1S/C4H12O3Si/c1-5-8(4,6-2)7-3/h1-4H3

InChI Key

BFXIKLCIZHOAAZ-UHFFFAOYSA-N

Boiling Point

102.5 °C

Appearance

Liquid

Application

Methyltrimethoxysilane is a versatile organosilicon compound, primarily serving as a key reagent in synthesizing electronic materials and organometallic compounds. Known for its use in coating carbon-fiber surfaces and aiding in the development of nanocomposites, this compound also functions effectively as a crosslinker in preparing polysiloxane polymers. Additionally, it acts as an acid scavenger in the formation of substituted azulenes and serves as a precursor for flexible silica aerogels. Highly miscible with organic solvents such as alcohols, hydrocarbons, and acetone, Methyltrimethoxysilane is almost insoluble in neutral water, reacting slowly to form silanols and condensation products. The presence of hydrolytic catalysts, including acids, ammonia, or amines, significantly accelerates its hydrolysis. As a Filler Modifier, it imparts water repellence to various surfaces and materials like mineral fillers, pigments, glass, and cardboard. It finds utility in manufacturing silicone resins and condensation-curing silicone rubber and plays a critical role in sol-gel systems. Methyltrimethoxysilane is notable as a common Alkoxy Crosslinker, known for its high reactivity through nucleophilic substitution in the presence of acid or base catalysts.

Complexity

Covalently-Bonded Unit Count

EC Number

2146850

Exact Mass

136.055571g/mol

Formal Charge

Heavy Atom Count

MeSH Entry Terms

methyltrimethoxysilane

Monoisotopic Mass

136.055571g/mol