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Industry Insights

The Mechanisms of Disinfectants and Their Safety, Part 2: Formaldehyde


Written by: Selective Micro Technologies

SMT continues its investigation into different products recommended for disinfection as well as their attendant safety concerns. In part 1, alcohol was found to be ineffective with percentages below 50%. We also learned that it works by denaturing, or changing the shape and structure of vital proteins, and that a quick evaporation time makes surface disinfection difficult. In this installment, we will discuss and discover the chemical formaldehyde.

EPA Announcement

On August 21, 2014, Selective Micro Technologies’ Selectrocide 2L500 and Selectrocide 5G were listed as an EPA hospital approved disinfectant. The EPA listed both of SMT’s products, and by extension the Selectrocide line, as having agency confirmed efficacy which includes products that have passed ATP testing and are approved as hospital disinfectants.

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SMT confirms its pure chlorine dioxide products meet efficacious hospital disinfectant standards via Antimicrobial Testing Program (ATP)


Using EPA approved testing methodology, Selective Micro® demonstrated both 50 and 100ppm concentrations of pure chlorine dioxide meet efficacy standards for microbial reduction. This recommendation is fully substantiated by empirical evidence. This is especially true as considered or measured against other commonly known or used decontamination agents. Use the link below to view the products tested list with ATP which meet hospital disinfectant standards.