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CAS 7399-00-0

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Octadecyltriethoxysilane

Description:
Octadecyltriethoxysilane, with the CAS number 7399-00-0, is an organosilicon compound characterized by its long hydrophobic alkyl chain and triethoxysilane functional groups. This compound typically appears as a colorless to pale yellow liquid and is known for its ability to form self-assembled monolayers on various substrates, enhancing surface properties such as hydrophobicity and chemical stability. Its structure consists of an octadecyl group, which imparts significant hydrophobic characteristics, making it useful in applications such as surface modification, coatings, and as a coupling agent in composites. Octadecyltriethoxysilane is also utilized in the production of silane-based materials, where it can improve adhesion and compatibility between organic and inorganic phases. Additionally, it can act as a precursor in the synthesis of silica-based materials, contributing to the development of advanced materials with tailored properties. Safety precautions should be observed when handling this compound, as it may pose health risks if inhaled or ingested.
Formula:C24H52O3Si
InChI:InChI=1S/C24H52O3Si/c1-5-9-10-11-12-13-14-15-16-17-18-19-20-21-22-23-24-28(25-6-2,26-7-3)27-8-4/h5-24H2,1-4H3
InChI key:InChIKey=FZMJEGJVKFTGMU-UHFFFAOYSA-N
SMILES:[Si](CCCCCCCCCCCCCCCCCC)(OCC)(OCC)OCC
Synonyms:
  • Ls 6970
  • Octadecyltriethoxysilane
  • P 09775
  • S 12325
  • Si 118
  • Silane, triethoxyoctadecyl-
  • Sio 6645.0
  • Stearyltriethoxysilane
  • Triethoxyoctadecylsilane
  • ODES
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