1,1'-(Methylenebis(oxy))dibutane 2568-90-3 AI3-05675 Butane, 1,1'-(methylenebis(oxy))bis- Butylal DIBUTOXYMETHANE Di-n-butoxymethane Di-n-butyl formal Dibutyl formal EINECS 219-909-0 Formaldehyde dibutyl acetal Methane, dibutoxy- (8CI) NSC 241