Biocidal compositions and use thereof containing a synergistic mixture of N-tributyl tetradecyl phosphonium chloride and N-dodecylguanidine

摘要

A bactericidal composition and method for inhibiting and controlling the growth of the capsulated, facultative bacterium, Klebsiella pneumoniae, are disclosed. The composition comprises an amount, effective for the intended purpose of n-tributyl tetradecyl phosphonium chloride (TPC) and n-dodecylquanidine or a water soluble salt thereof. The method comprises administering between about 0.1 to about 200 parts of this combined treatment (based on one million parts of the desired aqueous system) to the particular water containing system for which treatment is desired.