'Nalco Visco 3951' is a microbicide/microbistat. Its Federal EPA registration number is: 10349-18. It was originally approved by EPA on 12 Jul 1979. Its registration got cancelled on 19 Jul 1995. 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 Tributyltin oxide (NO INERT USE). It's approved for 1 sites including secondary oil recovery injection water. It is also approved for 1 pests and pest groups including but not limited to slime-forming bacteria.