Methyltrimethoxysilane
Catalog Number
ACM1185553-3
CAS
1185-55-3
IUPAC Name
Trimethoxy(methyl)silane
Synonyms
Trimethoxymethylsilane
Application
It used mainly to render a wide range of surfaces and materials water repellent (e.g.mineral fillers,pigment,glass cardboard). It may be used pure or in solution to treat fillers, using suitable mixing equipment. It may be necessary to first pre-treat the substrate with water and/or a catalyst.
Molecular Weight
136.22
Molecular Formula
C4H12O3Si
Product Information
Description
Methyltrimethoxysilane is highly miscible with standard organic solvents such as alcohols, hydrocarbons and acetone. Methyltrimethoxysilane is practically insoluble in neutral water, and only a slow reaction can form silanol and higher condensation products. The methyltrimethoxysilane can be used pure or in the form of a solution using suitable mixing equipment to treat the filler. It may be necessary to pre-treat the substrate with water and/or catalyst first. Methyltrimethoxysilane is also used in the production of silicone resins and condensation curing silicone rubber.
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
102-104 °C
Melting Point
<-70 °C
Flash Point
52 °F
Purity
95%+
Density
0.955 g/mL at 25 °C (lit.)
Appearance
Colorless liquid
Storage
Store below +30 °C
Complexity
54
Covalently-Bonded Unit Count
1
Exact Mass
136.05557077
Heavy Atom Count
8
Monoisotopic Mass
136.05557077
Refractive Index
n20/D 1.371 (lit.)
Specific Gravity
0.96
Topological Polar Surface Area
27.7 Ų
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