1,1,1,3,5,7,7,7-Octamethyl-3,5-bis(3-(oxiranylmethoxy)propyl)tetrasiloxane 1,1,1,3,5,7,7,7-Octamethyl-3,5-bis(6,7-epoxy-4-oxaheptyl)- 1,1,1,3,5,7,7,7-Octamethyl-3,5-bis(6,7-epoxy-4-oxaheptyl)tetrasiloxane 69155-42-6 EINECS 273-896-6 Tetrasiloxane, 1,1,1,3,5,7,7,7-octamethyl-3,5-bis(3-(oxiranylmethoxy)propyl)-