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Appendix K – Summary of Practical Disinfectants δ Chlorine compounds 500 ppm 10 30 + + + + Iodophor compounds 25 - 1600 ppm 10 30 + + + + ω ω + + + + + + + ψ + + Toxic + φ + Respiratory Irritant NE + Eye Irritant 10 + Skin Irritant 1.0 - 5.0% Residue Phenolic compounds Explosion Potential + Flammable + Corrosive NE Bacterial Spores Lipoviruses 10 Nonlipid Viruses Vegetative Bacteria Liquid Relative Humidity, % Broad Spectrum 0.1 - 2.0% Temperature, ºC Lipovirus Quaternary Ammonium Compounds Type Use Dilution Category Gas γ Contact Time (Minutes) Compatible for Electronics Important Characteristics Compatible for Optics Inactivates Inactivated by Organic Matter Practical Requirements Effective Shelf Life > 1 week Disinfectants + + + + + + + + + + + + + + + Ethyl alcohol 70 - 85% 10 NE + + δ + + + + Isopropyl alcohol 70 - 85% 10 NE + + δ + + + + Formaldehyde 0.2 - 8.0% 10 30 + + + + + + + + + Glutaraldehyde 2% 10 30 + + + + + + + + + Ethylene oxide 8 - 23 g/ft3 60 60 37 30 + + + + NA + 0.3 g/ft3 60 60 >23 >60 + + + + NA + Paraformaldehyde + τ + + + + + + π + + + + + + τ + π + γ Protected from light and air. φ Usually compatible. ψ By skin or mouth or both. ω Available halogen. δ Variable results. τ Not flammable or explosive in 90% CO2 or fluorinated hydrocarbon, the usual form. π At concentrations of 7 to 73% by volume in air, solid-exposure to open flame. NE Not Effective. SOURCE: Department of Health and Human Services, National Institutes of Health, “Laboratory Safety Monograph,” 1979. UNH Laboratory Safety Plan. © 2002-2011. University of New Hampshire. Page 170