631-41-4 AMMONIUM, TETRAKIS(2-HYDROXYETHYL)-, HYDROXIDE EINECS 211-158-7 Ethanaminium, 2-hydroxy-N,N,N-tris(2-hydroxyethyl)-, hydroxide NSC 11689 NSC 61255 Tetraethanol ammonium hydroxide Tetraethanolammonium hydroxide Tetrakis(2-hydroxyethyl)ammonium hydroxide