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253006

Sigma-Aldrich

Methoxytrimethylsilane

99%

Synonyme(s) :

Methyl trimethylsilyl ether, Trimethylmethoxysilane

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About This Item

Formule linéaire :
CH3OSi(CH3)3
Numéro CAS:
1825-61-2
Poids moléculaire :
104.22
Beilstein:
1731490
Numéro CE :
217-369-0
Numéro MDL:
MFCD00008344
Code UNSPSC :
12352103
ID de substance PubChem :
24855087
Nomenclature NACRES :
NA.23
Le tarif et la disponibilité ne sont pas disponibles actuellement.

Niveau de qualité

100

Essai

99%

Forme

liquid

Indice de réfraction

n20/D 1.366 (lit.)

pb

57-58 °C (lit.)

Densité

0.756 g/mL at 25 °C (lit.)

Chaîne SMILES 

CO[Si](C)(C)C

InChI

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

Clé InChI

POPACFLNWGUDSR-UHFFFAOYSA-N

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Description générale

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.[1][2]

Application

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}
Superhydrophobic recycled polyethylene terephthalate (rPET) aerogels can be fabricated by using rPET fibers and polyvinyl alcohol (PVA) and can be coated on MTMS.[3] 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%.[4]

Pictogrammes

FlameExclamation mark
GHS02,GHS07

Mention d'avertissement

Danger

Mentions de danger

H225,H319

Classification des risques

Eye Irrit. 2 - Flam. Liq. 2

Code de la classe de stockage

3 - Flammable liquids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

-4.0 °F - closed cup

Point d'éclair (°C)

-20 °C - closed cup

Équipement de protection individuelle

Eyeshields, Faceshields, Gloves

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Certificats d'analyse (COA)

Lot/Batch Number
SHBR3533
SHBN8926
SHBL6314
SHBJ8610
SHBH0675V

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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)
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)
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)
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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Questions

1–2 of 2 Questions  

  1. 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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  2. 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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