246174
Trimethoxymethylsilane
98%
Synonym(s):
Methyltrimethoxysilane
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About This Item
Linear Formula:
CH3Si(OCH3)3
CAS Number:
Molecular Weight:
136.22
Beilstein:
1736151
EC Number:
MDL number:
UNSPSC Code:
12352103
PubChem Substance ID:
NACRES:
NA.06
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Assay
98%
form
liquid
refractive index
n20/D 1.371 (lit.)
bp
102-104 °C (lit.)
density
0.955 g/mL at 25 °C (lit.)
SMILES string
CO[Si](C)(OC)OC
InChI
1S/C4H12O3Si/c1-5-8(4,6-2)7-3/h1-4H3
InChI key
BFXIKLCIZHOAAZ-UHFFFAOYSA-N
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General description
Trimethoxymethylsilane (MTM) is an organosilicon compound widely used as a precursor for the preparation of silica-based materials, which finds the applications in various fields. Particularly in molecular assembly, linking nano building blocks, and selective synthesis oligosiloxane compounds. It can also be utilized as a crosslinker in the synthesis of polysiloxane polymers.
Application
Trimethoxymethylsilane can be used:
- As a silica source for synthesizing polyethyleneimine-silica (PEI-silica) organic-inorganic hybrid particles.
- To transform hydrophilic ceramic surfaces to hydrophobic by modifying the -OH groups.
- To modify silica aerogels by inducing hydrophobicity and enhancing mechanical properties without affecting transparency.
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Flam. Liq. 2
Storage Class Code
3 - Flammable liquids
WGK
WGK 3
Flash Point(F)
48.2 °F
Flash Point(C)
9 °C
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Certificates of Analysis (COA)
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The formation of polyethyleneimine?trimethoxymethylsilane organic?inorganic hybrid particles.
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The commercially practiced conversion of trimethoxymethylsilane (MTM) to [OSi(OMe)Me)]n polymers and resins is assumed to proceed via the silanol (MeO)2MeSiOH. Access to this crucial silanol is gained via the synthesis of (MeO)2MeSiONa, the first methoxysilanoate to be crystallographically characterized. Mild
Organo-modified silica aerogels and implications for material hydrophobicity and mechanical properties.
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Investigation of Silane Modified Ceramic Surface of Porous Mullite Ceramics.
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World Academy of Science, Engineering and Technology, 79(7), 272-276 (2013)
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