00650001_00675000/664238 18027-45-7 3-((Dimethylsilyl)oxy)-1,1,5,5-tetramethyl-3-phenyltrisiloxane EINECS 241-940-3 Phenyltris(dimethylsiloxy)silane Trisiloxane, 3-((dimethylsilyl)oxy)-1,1,5,5-tetramethyl-3-phenyl-