U.S. EPA registered pesticide info
'Instasan Concentrated "w.c.t." Algaecide-fungicide' is an algaecide and fungicide. Its Federal EPA registration number is: 11662-9. It was originally approved by EPA on 06 Feb 1979. Its registration got cancelled on 10 Oct 1989. It has a 'Danger' signal word. It has the following active ingredients: Alkyl* dimethyl benzyl ammonium chloride *(60%C14, 30%C16, 5%C18, 5%C12) and Alkyl* dimethyl ethylbenzyl ammonium chloride *(68%C12, 32%C14). It's approved for 4 sites including cooling tower water, locker room equipment, locker room premises, and shower room premises. It is also approved for 5 pests and pest groups including but not limited to animal pathogenic fungi, black algae, blue-green algae, green algae, and square d algae.