Synonyms: Pentacyclo[9.5.1.13,9.15,15.17,13]octasiloxane,octakis[(dimethylsilyl)oxy]- (9CI);1,3,5,7,9,11,13,15-Octakis(dimethylsiloxy)pentacyclo[9.5.1.13,9.15,15.17,13]octasiloxane;1,3,5,7,9,11,13,15-Octakis(dimethylsilyloxy)pentacyclo[9.5.1.13,9.15,15.17,13]octasiloxane;Octa(dimethylsilyl)octasilsesquioxane;OctaSilane POSS;Octakis(dimethylsiloxy)octasilsesquioxane;Octakis(hydridodimethylsiloxy)octasilsesquioxane;PSS-octakis(dimethylsilyloxy)substituted;SH 1310;