253006

Sigma-Aldrich

Methoxytrimethylsilane

99%

Synonym(s):
Trimethylmethoxysilane, Methyl trimethylsilyl ether
Linear Formula:
CH3OSi(CH3)3
CAS Number:
Molecular Weight:
104.22
Beilstein/REAXYS Number:
1731490
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.23
Pricing and availability is not currently available.

Quality Level

assay

99%

form

liquid

refractive index

n20/D 1.366 (lit.)

bp

57-58 °C (lit.)

density

0.756 g/mL at 25 °C (lit.)

SMILES string

CO[Si](C)(C)C

InChI

1S/C4H12OSi/c1-5-6(2,3)4/h1-4H3

InChI key

POPACFLNWGUDSR-UHFFFAOYSA-N

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General description

Methoxytrimethylsilane (MTMS) is a silylating agent, which is majorly used to provide a hydrophobic surface coating with a high water contact angle and low surface energy.

Application

Superhydrophobic recycled polyethylene terephthalate (rPET) aerogels can be fabricated by using rPET fibers and polyvinyl alcohol (PVA) and can be coated on MTMS. MTMS on diglycidyl bisphenol A resin (epoxy resin) also shows weathering resistance on exposure to UV by lowering the effect of color change by 45%.
Effect of chemical modification of diglycidyl bisphenol A based epoxy resin with methyltrimethoxy silane (MTMS) was studied. 1 It was used to quench lab ware with MTMS while handling HF/pyridine.{90}

Packaging

25, 100, 250 g in glass bottle

Pictograms

FlameExclamation mark

Signal Word

Danger

Hazard Statements

Precautionary Statements

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

Hazard Codes

F,Xi

Risk Statement

11-36

Safety Statement

16-26

RIDADR

UN 1993BF 3 / PGII

WGK Germany

WGK 3

Flash Point(F)

-4.0 °F - closed cup

Flash Point(C)

-20 °C - closed cup

Silica cellulose hybrid aerogels for thermal and acoustic insulation applications
Feng J et al.
Colloids and Surfaces. A, Physicochemical and Engineering Aspects, 506, 298-305 (2016)
Advanced Recycled Polyethylene Terephthalate Aerogels from Plastic Waste for Acoustic and Thermal Insulation Applications
Koh HW, et al.
Gels, 4(2), 43-43 (2018)
Silylation enhances the performance of Au/Ti-SiO2 catalysts in direct epoxidation of propene using H2 and O2
Kanungo S, et al.
J. Catal., 344, 434-444 (2016)
Effect of methyltrimethoxy silane modification on yellowing of epoxy coating on UV (B) exposure
Rajagopalan N and Khanna AS
Journal of Coatings, 2014(2), 43-43 (2014)
Small?Molecule Library Synthesis on Silicon?Functionalized SynPhase Lanterns.
Duvall JR, et al.
Current Protocols in Chemical Biology, 2(3), 135-135 (2010)

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