title: Octadecyltrichlorosilane
text: # Octadecyltrichlorosilane
  
  Octadecyltrichlorosilane (ODTS or n-octadecyltrichlorosilane) is an organosilicon compound with the formula $CH_3(CH_2)_{17}SiCl_3.$ A colorless liquid, it is used as a silanization agent to prepare hydrophobic stationary phase, for reversed-phase chromatography.
  
  It is also evaluated for forming self-assembled monolayers on silicon dioxide substrates. Its structural chemical formula is $CH_3(CH_2)_{17}SiCl_3.$ 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.
  
  