1,1,5,5,5-Hexamethyl-3,3-bis((trimethylsilyl)oxy)trisiloxane 3555-47-3 EINECS 222-613-4 TETRAKIS(TRIMETHYLSILOXY)SILANE Trisiloxane, 1,1,1,5,5,5-hexamethyl-3,3-bis((trimethylsilyl)oxy)- Trisiloxane, 1,1,1,5,5,5-hexamethyl-3,3-bis(trimethylsiloxy)-