376213
Trimethoxy(octadecyl)silane
technical grade
Synonym(s):
Octadecyltrimethoxysilane
Sign In to View Organizational & Contract Pricing.
Select a Size
Change View
About This Item
Linear Formula:
CH3(CH2)17Si(OCH3)3
CAS Number:
Molecular Weight:
374.67
UNSPSC Code:
12352103
NACRES:
NA.23
PubChem Substance ID:
EC Number:
221-339-2
Beilstein/REAXYS Number:
5791830
MDL number:
grade
technical grade
Quality Level
form
liquid
refractive index
n20/D 1.439 (lit.)
mp
16-17 °C (lit.)
density
0.883 g/mL at 25 °C (lit.)
SMILES string
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
InChI key
SLYCYWCVSGPDFR-UHFFFAOYSA-N
General description
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.
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.
Application
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.
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.
Storage Class
10 - Combustible liquids
wgk
WGK 1
flash_point_f
284.0 °F - closed cup
flash_point_c
140 °C - closed cup
ppe
Eyeshields, Gloves, type ABEK (EN14387) respirator filter
Choose from one of the most recent versions:
Already Own This Product?
Find documentation for the products that you have recently purchased in the Document Library.
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
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