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104817

Sigma-Aldrich

Trichloro(octadecyl)silane

≥90%

Sinónimos:

Octadecyltrichlorosilane

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About This Item

Fórmula lineal:
CH3(CH2)17SiCl3
Número de CAS:
112-04-9
Peso molecular:
387.93
Beilstein/REAXYS Number:
1778847
EC Number:
203-930-7
MDL number:
MFCD00000484
UNSPSC Code:
12352103
PubChem Substance ID:
24846677
NACRES:
NA.23

vapor density

>1 (vs air)

Quality Level

100

vapor pressure

<5 mmHg ( 20 °C)

assay

≥90%

refractive index

n20/D 1.459 (lit.)

bp

223 °C/10 mmHg (lit.)

density

0.984 g/mL at 25 °C (lit.)

SMILES string

CCCCCCCCCCCCCCCCCC[Si](Cl)(Cl)Cl

InChI

1S/C18H37Cl3Si/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-22(19,20)21/h2-18H2,1H3

InChI key

PYJJCSYBSYXGQQ-UHFFFAOYSA-N

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General description

Self-assembled monolayers (SAMs) are used as passivating layers and for controlled modification of surface properties of substrates. Their main applications include wetting, adhesion, friction, chemical sensing and ultra-fine scale lithography. Alkytrichlorosilanes are commonly used for synthesising SAMs on Silicon dioxide which are commonly used in microelectronics. Trichloro(octadecyl)silane is a widely used alkyltrichlorosilane.
Trichloro(octadecyl)silane (OTS) is an alkoxy silane with a large alkyl and polar head group, mainly used as a self-assembled monolayer (SAM) on a variety of nanoparticles and metal oxides substrates. It provides an amphiphilic character that can be used in molecular and opto-electronics applications.

Application

OTS can be used to silanize poly(vinylalcohol) (PVA)/nanosilica (SiO2) nanofibers that can provide a hydrophobic coating on the wooden surfaces by electrospinning. It can also be used as a SAM on the surface of silica (SiO2) gate dielectric for the development of organic field effect transistor (OFETs). It may also be used in a variety of applications like improving the electrochemical performance for dye sensitized solar cells and for the development of metal insulated field effect transistors.

pictograms

Corrosion
GHS05

signalword

Danger

hcodes

H314

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1B

Storage Class

8A - Combustible corrosive hazardous materials

wgk_germany

WGK 1

flash_point_f

404.6 °F - closed cup

flash_point_c

207 °C - closed cup

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

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Certificados de análisis (COA)

Lot/Batch Number
0000411400
0000411400
0000388337
0000368503
0000308581

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Coating of wood by means of electrospun nanofibers based on PVA/SiO2 and its hydrophobization with octadecyltrichlorosilane (OTS).
Kumar A, et al.
Holzforschung, 71(3), 225-231 (2017)
Siyang Yu et al.
Analytical and bioanalytical chemistry, 411(21), 5415-5422 (2019-07-19)
Isoelectric focusing (IEF), a powerful technique for protein separation and enrichment, was successfully integrated into microfluidic paper-based analytical devices (μPADs) in this work. The μPADs for isoelectric focusing were fabricated by octadecyltrichlorosilane (OTS) silanization and subsequent region-selective plasma treatment. The
Shao-Yu Chen et al.
Nano letters, 12(2), 964-969 (2012-01-10)
In this article, we present the transport and magnetotransport of high-quality graphene transistors on conventional SiO(2)/Si substrates by modification with organic molecule octadecyltrichlorosilane (OTS) self-assembled monolayers (SAMs). Graphene devices on OTS SAM-functionalized substrates with high carrier mobility, low intrinsic doping
Mark Ilton et al.
Nature communications, 9(1), 1172-1172 (2018-03-23)
Hydrodynamic slip, the motion of a liquid along a solid surface, represents a fundamental phenomenon in fluid dynamics that governs liquid transport at small scales. For polymeric liquids, de Gennes predicted that the Navier boundary condition together with polymer reptation
Structural evaluation of 5, 5'-bis (naphth-2-yl)-2, 2'-bithiophene in organic field-effect transistors with n-octadecyltrichlorosilane coated SiO2 gate dielectric.
Ejdrup A, et al.
Langmuir, 34 (23), 6727?6736-6727?6736 (2018)
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