AZO-COMPOUNDS

n. pl. A?z'o-ko?m‘’puS-undz. Fr., corps (ou composés) azoiques. Ger., Azo verb in dun gen. Compounds consisting of two organic molecules (one and often both being aromatic derivatives) united by a double atom of nitrogen; having therefore the general formula R— NIN — R”, in which R’ and R” are simple or complex univalent radicles. These compounds are often called diazo-compounds, because they contain two atoms of nitrogen, but. this term is frequently restricted to a.-c’s in which one of e connected radicles, such as R”, is wanting or has its place supplied by an element or an inorganic acid radicle. [B,3,4.] Cf. Azo- BENZENE and DIAZO BENZENE, and see also DIAZOAZO-COMPOUNDS.