Octadecyltrichlorosilane

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Octadecyltrichlorosilane
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Abbreviations ODTS
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Template:Longitem Template:Chembox Elements/molecular formula
Molar mass Template:Chem molar mass
Appearance Colorless liquid
Density 0.984 g/mL, liquid
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Solubility organic solvents, decomp by amines and alcohols
NFPA 704 (fire diamond) Template:NFPA 704 diamond
Template:Longitem Dodecyltrichlorosilane

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Octadecyltrichlorosilane (ODTS or n-octadecyltrichlorosilane) is an organosilicon compound with the formula Template:Chem2. A colorless liquid, it is used as a silanization agent to prepare hydrophobic stationary phase, for reversed-phase chromatography.[1]

It is also evaluated for forming self-assembled monolayers on silicon dioxide substrates. Its structural chemical formula is CH3(CH2)17SiCl3. It is flammable and hydrolyzes readily with release of hydrogen chloride.

Dodecyltrichlorosilane, an ODTS analog with shorter alkyl chain, is used for the same purpose.

ODTS-PVP films are used in organic-substrate LCD displays.[2]

References

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