C6H5(NH2); an oily, colorless or brownish liquid, of aromatic odor and acrid taste, that is the parent substance of many synthetic dyes; formally derived from benzene by the substitution of the group —NH2for one of the hydrogen atoms. Aniline is highly toxic and may cause industrial poisoning. Syn: aminobenzene, benzeneamine, phenylamine.


[Ar. an-nil, indigo]