'Betz Entec 347' is an algaecide and slimacides. Its Federal EPA registration number is: 34571-8. It was originally approved by EPA on 12 Mar 1976. Its registration got cancelled on 10 Oct 1989. It has a 'Warning' signal word. It has the following active ingredients: Alkyl* dimethyl benzyl ammonium chloride *(50%C14, 40%C12, 10%C16) and Copper sulfate pentahydrate. It's approved for 1 sites including cooling tower water. It is also approved for 1 pests and pest groups including but not limited to algae.