Product Code

91832

Octadecyltriethoxysilane

CAS Number
7399-00-0
EINECS
230-995-9

Description

Alkyl alkoxy silane used as a surface modifier and water repellent. The long octadecyl chain gives the strongest hydrophobicity in the family, forming durable self-assembled monolayers on glass, silica and metal surfaces. Releases ethanol on hydrolysis.

Synonyms

alkoxysilanesilane coupling agentadhesion promoterTriethoxy(octadecyl)silaneStearyltriethoxysilaneSilane, triethoxyoctadecyl-C24H52O3Si

Key applications

  • Self-assembled monolayer surface treatment
  • Hydrophobic and release coatings
  • Surface modification of silica chromatography media
  • Filler and powder surface treatment

Characteristics

FamilyAlkoxy Silanes
FunctionalityAlkoxy
Molecular formulaC24H52O3Si
Molecular weight416.80 g/mol

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