'Bio-chemistat Ii' is a bacteriostat. Its Federal EPA registration number is: 33576-10. It was originally approved by EPA on 12 Dec 1973. Its registration got cancelled on 01 Jul 1987. 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 *(50%C12, 30%C14, 17%C16, 3%C18). It's approved for 1 sites including fan coil drain water. It is also approved for 1 pests and pest groups including but not limited to slime-forming bacteria.