chlorophenol

noun

chlo·​ro·​phe·​nol

ˌklōr-ō-ˈfē-ˌnōl, -ˌnȯl, ˌklȯr-, -fi-ˈ-

variants also chlorphenol

(ˈ)klōr-, (ˈ)klȯr- 

: any of three derivatives C₆H₅ClO of phenol containing a single chlorine atom per molecule

especially : the para derivative that is used as a topical antiseptic