246174

Trimethoxymethylsilane

98%

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

Properties

• 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

Description

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.

Safety Information

• Pictograms: GHS02
• Signal Word: Danger
• Hazard Statements: H225
• Precautionary Statements: P210 - P233 - P240 - P241 - P242 - P243
• 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