1,1,2,2-Tetrabutoxyethane 4-01-00-03627 (Beilstein Handbook Reference) 6284-81-7 BRN 1708749 Butane, 1,1',1'',1'''-(1,2-ethanediylidenetetrakis(oxy))tetrakis- (9CI) Ethane, 1,1,2,2-tetrabutoxy- (8CI) GLYOXAL, TETRABUTYL-, ACETAL Glyoxal, tetrabutyl acetal NSC 5263 Tetrabutylglyoxal acetal