EINECS 264-157-9, tributyl(ethyl)azanium hydroxide, Ethyltri-n-butylammonium hydroxide, AMMONIUM,ETHYLTRI-n-BUTYL-,HYDROXIDE, 1-Butanaminium,N,N-dibutyl-N-ethyl-,hydroxide, 1-Butanaminium,N,N-dibutyl-N-ethyl-,hydroxide (1:1), Tributylethylammonium hydroxide