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376213

Sigma-Aldrich

Trimethoxy(octadecyl)silane

technical grade

Synonyme(s) :

Octadecyltrimethoxysilane

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About This Item

Formule linéaire :
CH3(CH2)17Si(OCH3)3
Numéro CAS:
3069-42-9
Poids moléculaire :
374.67
Numéro Beilstein :
5791830
Numéro CE :
221-339-2
Numéro MDL:
MFCD00043060
Code UNSPSC :
12352103
ID de substance PubChem :
24863428
Nomenclature NACRES :
NA.23

Qualité

technical grade

Niveau de qualité

100

Forme

liquid

Indice de réfraction

n20/D 1.439 (lit.)

Pf

16-17 °C (lit.)

Densité

0.883 g/mL at 25 °C (lit.)

Chaîne SMILES 

CCCCCCCCCCCCCCCCCC[Si](OC)(OC)OC

InChI

1S/C21H46O3Si/c1-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21-25(22-2,23-3)24-4/h5-21H2,1-4H3

Clé InChI

SLYCYWCVSGPDFR-UHFFFAOYSA-N

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Catégories apparentées

Description générale

Trimethoxy(octadecyl)silane (OTMS) is an alkyl silane that functionalizes a variety of nanoparticle surfaces and facilitates a hydrophobic coating with a high-water contact angle and low surface energy.
Trimethoxy(octadecyl)silane (OTS) is an important alkylsilane that can form strong covalent bonds with silicon oxide and serves as a potential lubricant for micro electro mechanical systems (MEMS). OTS is largely used for surface chemical modification, modifying silica resulted in an increased charge carrier mobility for a variety of vacuum deposited and solution cast organic semiconductors.

Application

Magnetic nanoparticles (Fe2O3) can be surface modified with OTMS. It forms a sorbent for the magnetic solid-phase extraction (MSPE) of endocrine disruptors (organochlorine pesticides) from milk samples. It may form a corrosion protective coating on AZ31 magnesium alloy that finds potential application in automotive industry. It may also be used to form a composite with fly ash that can be coated to achieve a superhydrophobic and UV-protected cotton fabric.
OTS is used for the development of self assembled monolayers(SAMs). OTS is also used to modify the silica dielectric surface in organic field effect transistors.

Code de la classe de stockage

10 - Combustible liquids

Classe de danger pour l'eau (WGK)

WGK 1

Point d'éclair (°F)

284.0 °F - closed cup

Point d'éclair (°C)

140 °C - closed cup

Équipement de protection individuelle

Eyeshields, Gloves, type ABEK (EN14387) respirator filter

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Deepa Sriramulu et al.
Scientific reports, 6, 35993-35993 (2016-11-09)
Multifunctional coatings offer many advantages towards protecting various surfaces. Here we apply aggregation induced segregation of perylene diimide (PDI) to control the surface morphology and properties of silica nanoparticles. Differentially functionalized PDI was incorporated on the surface of silica nanoparticles
Zhongbo Li et al.
Journal of chromatography. A, 1218(37), 6232-6239 (2011-07-29)
In this study, core-shell magnetic mesoporous microspheres with C18-functionalized interior pore-walls were synthesized through coating Fe(3)O(4) microspheres with a mesoporous inorganic-organic hybrid layer with a n-octadecyltriethoxysilane (C18TES) and tetraethyl orthosilicate (TEOS) as the silica source and cetyltrimethylammonia bromide (CTAB) as
Tadahiro Yamashita et al.
Biomaterials, 32(10), 2459-2465 (2011-01-22)
Various micro cell culture systems have recently been developed. However, it is extremely difficult to recover cultured cells from a microchannel because the upper and lower substrates of a microchip are permanently combined. Therefore, we developed a cell culture and
Organo-silane coatings for AZ31 magnesium alloy corrosion protection.
Zucchi F, et al.
Materials Chemistry and Physics, 110(2-3), 263-268 (2008)
Cristian Moya et al.
Chemphyschem : a European journal of chemical physics and physical chemistry, 17(23), 3891-3899 (2016-09-20)
The potential advantages of applying encapsulated ionic liquid (ENIL) to CO2 capture by chemical absorption with 1-butyl-3-methylimidazolium acetate [bmim][acetate] are evaluated. The [bmim][acetate]-ENIL is a particle material with solid appearance and 70 % w/w in ionic liquid (IL). The performance of
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