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Merck
CN

246174

Trimethoxymethylsilane

98%

Synonym(s):

Methyltrimethoxysilane

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About This Item

Linear Formula:
CH3Si(OCH3)3
CAS Number:
1185-55-3
Molecular Weight:
136.22
UNSPSC Code:
12352103
NACRES:
NA.06
PubChem Substance ID:
24854790
EC Number:
214-685-0
Beilstein/REAXYS Number:
1736151
MDL number:
MFCD00008342

Key Documents

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InChI key

BFXIKLCIZHOAAZ-UHFFFAOYSA-N

InChI

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

SMILES string

CO[Si](C)(OC)OC

assay

98%

form

liquid

Quality Level

200

bp

102-104 °C (lit.)

density

0.955 g/mL at 25 °C (lit.)

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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.

pictograms

Flame
GHS02

signalword

Danger

hcodes

H225

Hazard Classifications

Flam. Liq. 2

Storage Class

3 - Flammable liquids

wgk

WGK 3

flash_point_f

48.2 °F

flash_point_c

9 °C

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

Regulatory Information

危险化学品
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Certificates of Analysis (COA)

Lot/Batch Number
SDBB4060
SDBB3390
SDBB0645
SDBB0536
STBL2922

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Organo-modified silica aerogels and implications for material hydrophobicity and mechanical properties.
Martin L, et al.
Journal of Materials Chemistry, 18(2), 207-213 (2008)
Casseday P Richers et al.
Inorganic chemistry, 55(12), 5744-5746 (2016-06-04)
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
Investigation of Silane Modified Ceramic Surface of Porous Mullite Ceramics.
Markovska I, et al.
World Academy of Science, Engineering and Technology, 79(7), 272-276 (2013)
The formation of polyethyleneimine?trimethoxymethylsilane organic?inorganic hybrid particles.
Neville F, et al.
Colloids and Surfaces. A, Physicochemical and Engineering Aspects, 431, 42-50 (2013)
Utilization of alkoxysilyl groups for the creation of structurally controlled siloxane-based nanomaterials
Kuroda K, et al.
Chemistry of Materials, 26(1), 211-220 (2014)
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