ChEBI: Phenol is an organic hydroxy compound that consists of benzene bearing a single hydroxy substituent. The parent of the class of phenols. It has a role as a disinfectant, an antiseptic drug, a human xenobiotic metabolite and a mouse metabolite. It is a conjugate acid of a phenolate.NCI Thesaurus (NCIt): Hydroxybenzene; Carbolic Acid. Used as a germicidal agent and as an intermediate in chemical synthesis. Highly toxic; corrosive to the skin.