Mode of Disinfectant Action
Escherichia coli exposed to hypochlorous acid lose viability in less than 100 ms due to inactivation of many vital systems. Hypochlorous acid has a reported LD50 of 0.0104–0.156 ppm and 2.6 ppm caused 100% growth inhibition in 5 minutes. However it should be noted that the concentration required for bactericidal activity is also highly dependent on bacterial concentration.
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