O 8625 (OTTO) n-Octadecyltrichlorosilane, 95% Cas no 112-04-9 - used in semiconductor industry to form self-assembled monolayer thin films on silicon dioxide substrates. O 8625 (OTTO) n-Octadecyltrichlorosilane, 95% Cas no 112-04-9 - used in molecular electronics. O 8625 (OTTO) n-Octadecyltrichlorosilane, 95% Cas no 112-04-9 - used to silanize poly(vinylalcohol) (PVA)/nanosilica (SiO2) nanofibers that can provide a hydrophobic coating on the wooden surfaces by electrospinning.[