84 is 84 disinfectant, useful for new coronaviruses. 84 disinfectant is a chlorine-containing high efficiency disinfectant based on sodium hypochlorite, which can effectively inactivate most pathogenic microorganisms and is suitable for disinfecting general surfaces, rooms, contaminated items in hospitals, etc. Also, chlorine-containing disinfectants, 75% ethanol and peroxyacetic acid are used. It is also effective in inactivating viruses by using chlorine-containing disinfectants, 75% ethanol, peroxyacetic acid, etc. 84 disinfectant is irritating and corrosive and must be diluted before use. 1:250 or so dilution for environmental disinfection and 1:25 times dilution for disinfection of viral contaminants.