Table 1 Composition of the modified CAU (Chung-Ang University)-formulated hand sanitizers
Components | Ethanol-based (99.9%) | Isopropyl alcohol-based (99.5%) | Benzalkonium chloride-based (10%) |
|---|---|---|---|
pH | 7.0 | 7.0 | 6.8 |
(Disinfectant) | 70.1 mL | 70.1 mL | 0.66 mL |
Glycerol (98%) | 0.74 mL | 0.74 mL | 0.74 mL |
Propylene glycol (99.5%) | 0.729 mL | 0.729 mL | 0.729 mL |
Caffeic acid (6000 µmol) | 1 mL | 1 mL | 1 mL |
Vanillin (10,000 µmol) | 1 mL | 1 mL | 1 mL |
Distilled water | 27.431 mL | 27.431 mL | 96.871 mL |
Total amount | 100 mL | ||