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440175

Sigma-Aldrich

Trimethoxymethylsilane

95%

Synonym(s):

MTMS, 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.22
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Quality Level

Assay

95%

form

liquid

impurities

3% methyl alcohol

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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Application

Trimethoxymethylsilane (MTMS) is one of the key precursor for the synthesis of:
  • Monolithic silica columns with various skeleton sizes for capillary liquid chromatography.[1]
  • Ionogels, where an ionic liquid is confined within silica-derived networks.[2]
  • Monolithic silica aerogels via acid-base sol-gel polymerization.[3]
  • Hydrophobic, flexible, and ultralightweight silylated nanocellulose sponges for the selective removal of oil from water.[4]

Pictograms

Flame

Signal Word

Danger

Hazard 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

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Monolithic silica columns with various skeleton sizes and through-pore sizes for capillary liquid chromatography.
Motokawa M, et al.
Journal of Chromatography A, 961(1), 53-63 (2002)
Ultralightweight and flexible silylated nanocellulose sponges for the selective removal of oil from water.
Zhang Z, et al.
Chemistry of Materials, 26(8), 2659-2668 (2014)
Ionogels, new materials arising from the confinement of ionic liquids within silica-derived networks.
Neouze M A, et al.
Chemistry of Materials, 18(17), 3931-3936 (2006)
Methyltrimethoxysilane based monolithic silica aerogels via ambient pressure drying.
Bhagat S D, et al.
Microporous and Mesoporous Materials : The Official Journal of the International Zeolite Association, 100(1-3), 350-355 (2007)
M Morpurgo et al.
Farmaco (Societa chimica italiana : 1989), 60(8), 675-683 (2005-06-28)
The influence of processing parameters and synthetic strategies in the properties of sol-gel derived silica matrices intended for the release of bioactive compounds was investigated. The time-evolution of the matrix properties during its aging at room temperature in the dry

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Questions

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  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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