That kills pathogenic organisms; disinfectant(adjective)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "germicidal" in a sentence
"These are (1) the production in the blood of an antidote to the toxin or poison elaborated by the invading microbe -- an antitoxin, which chemically neutralises the toxin; (2) the production in the blood of the attacked animal of a "germicidal" poison which repels and kills the attacking microbes themselves (not merely neutralising their poisonous products); (3) the extermination of the intrusive, disease-producing microbes by a kind of police, which scour the blood channels and tissues and "eat up" -- actually engulf and digest -- the hostile intruders."
"Contaminated water enters the AquaIris, passes over a removable/re-usable filter, then travels under a layer of ‘converter crystals’ where germicidal UVC rays purify the water molecules as they pass by."
"Residents are encouraged to wear surgical masks and to wash their hands often with germicidal gel to prevent the spread of disease."