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Table 1 Active ingredients and contact times for disinfectant wipes tested in this study

From: Cross-contamination by disinfectant towelettes varies by product chemistry and strain

Disinfectant product a Disinfectant Active Ingredient(s)b,c Active level at used Label contact time (mins)f
HP1 1.4% hydrogen peroxide 1.4% 1
HP2 0.5% hydrogen peroxide 0.5% 1
HP3 0.5% hydrogen peroxide 0.5% 1
QA1 0.25% n-alkyl (68%C12, 32%C14) dimethylethylbenzyl
ammonium chloride
0.25% n-alkyl (60% C14, 30% C16, 5%
C12, 5% C18) dimethyl benzyl ammonium chloride
55% isopropanol
0.5% + 55% e 2
QA2 0.76% didecyldimethyl ammonium chloride
15% isopropanol
7.50% ethanol
0.76% + 22.5%e 1
QA3 0.233% disobutylphenolxyethoxyethyl dimethyl benzyl ammonium chloride
14.3% isopropanol
0.233% + 14.3% e 2
  1. aAbbreviated naming scheme reflects aggregated active ingredients for commercially available EPA registered disinfectants used in this study;
  2. bActive ingredient concentration;
  3. cDilution at use, ready-to-use;
  4. dActive ingredients concentration;
  5. eTotal quaternary ammonium plus alcohol content;
  6. fDefined label contact time