1,1,3,5,7,9,9-Heptamethyl-3,5,7-tris(3,3,3-trifluoropropyl)pentasiloxane 64426-47-7 Pentasiloxane, 1,1,3,5,7,9,9-heptamethyl-3,5,7-tris(3,3,3-trifluoropropyl)-