Tetraethylammonium hydroxide 40% in Water von Lars | Jan. 30, 2025 Back to Catalog Tetraethylammonium hydroxide 40% in Water Alternative Names: N,N,N-Triethtyl-1-ethanaminium hydroxide, TEAH, TEAOH CAS-Number: 77-98-5 EC-Number: 201-073-3 Molecular Formula: C8H21NO Molecular Weight: 147,26