376213
Trimethoxy(octadecyl)silane
technical grade
Sinónimos:
Octadecyltrimethoxysilane
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About This Item
Fórmula lineal:
CH3(CH2)17Si(OCH3)3
Número de CAS:
Peso molecular:
374.67
Beilstein/REAXYS Number:
5791830
EC Number:
MDL number:
UNSPSC Code:
12352103
PubChem Substance ID:
NACRES:
NA.23
Productos recomendados
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
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General description
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.
Storage Class
10 - Combustible liquids
wgk_germany
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
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