Octadecyltrimethoxysilane

Octadecyltrimethoxysilane Basic information
Product Name:Octadecyltrimethoxysilane
Synonyms:OCTADECYLTRIMETHOXYSILANE;N-OCTADECYLTRIMETHOXYSILANE;STEARYLTRIMETHOXYSILANE;Silane, trimethoxyoctadecyl-;TriMethoxy(octadecyl)silane technical grade, 90%;trimethoxyoctadecyl-silan;OCTADECYLTRIMETHOXYSILANE, TECH., 90%;OCTADECYLTRIMETHOXYSILANE TECH 90%
CAS:3069-42-9
MF:C21H46O3Si
MW:374.67
EINECS:221-339-2
Product Categories:Alkoxy Silanes;Hydrophobing Agents;Alkyl;Functional Materials;Si (Classes of Silicon Compounds);Silane Coupling Agents;Silane Coupling Agents (Intermediates);Si-O Compounds;Trialkoxysilanes
Mol File:3069-42-9.mol
Octadecyltrimethoxysilane Structure
Octadecyltrimethoxysilane Chemical Properties
Melting point 16-17 °C(lit.)
Boiling point 170 °C (0.1 mmHg)
density 0.883 g/mL at 25 °C(lit.)
vapor pressure 0.001Pa at 25℃
refractive index n20/D 1.439(lit.)
Fp 284 °F
storage temp. Inert atmosphere,Room Temperature
solubility Chloroform (Slightly)
form liquid
Specific Gravity0.883
color Colourless
Water Solubility 190-437000ng/L at 20℃
Hydrolytic Sensitivity7: reacts slowly with moisture/water
BRN 5791830
Stability:Stable. Incompatible with strong oxidizing agents. Moisture sensitive.
InChIKeySLYCYWCVSGPDFR-UHFFFAOYSA-N
LogP6
CAS DataBase Reference3069-42-9(CAS DataBase Reference)
NIST Chemistry ReferenceOctadecyltrimethoxysilane(3069-42-9)
EPA Substance Registry SystemSilane, trimethoxyoctadecyl- (3069-42-9)
Safety Information
Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 26-36
WGK Germany 1
10-21
TSCA Yes
HS Code 29319090
MSDS Information
ProviderLanguage
ACROS English
SigmaAldrich English
Octadecyltrimethoxysilane Usage And Synthesis
Chemical PropertiesColorless transparent liquid
UsesOTS 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.
Uses For preparing hydrophobic coatings and self-assembled monolayers.
General DescriptionTrimethoxy(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.
Octadecyltrimethoxysilane Preparation Products And Raw materials
N-(N-OCTADECYL)ACRYLAMIDE Benzyldimethylstearylammonium Chloride DODECAMETHYLPENTASILOXANE Octadecy trimethyl ammonium bromide Trimethoxypropylsilane N-BUTYLTRIMETHOXYSILANE DOCOSENYLTRIETHOXYSILANE N-OCTADECYLSILANE Octadecyltrimethoxysilane N-DECYLTRIMETHOXYSILANE DODECYLSILANE Silicon tetrahydride Trimethoxyoctylsilane Trimethoxysilylpropanethiol N-HEXYLTRIMETHOXYSILANE Dodecyltrimethoxysilane HEXADECYLTRIMETHOXYSILANE N-OCTADECYLTRIETHOXYSILANE

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