4-Hydroxydiphenylamine is used as a reactant in the preparation of iron methylisopropylglyoxime dimethylpyridine/dimethylaminopyridine/phenylaminophenol/imidazolidone complexes.
Gray solid leaflets. Insoluble in water; soluble
in alcohol, ether, acetone, chloroform, alkali, and
benzene.
Poison by intravenous route.Moderately toxic by ingestion. A severe eye irritant. Seealso AROMATIC AMINES. When heated todecomposition it emits toxic fumes of NOx.
Crystallise the amine from chlorobenzene/pet ether, pentane (m 72o) or *C6H6/pet ether (m 70o). [Beilstein 13 III 1019, 13 IV 1052.]
