diazonium salt

noun

Chemistry.

1. any of a group of salts of the general formula ArN 2 X, in which Ar represents an aryl group and X an anion, as benzenediazonium chloride, C 6 H 5 N(N)Cl, many of which are important intermediates in the manufacture of azo dyes.

diazonium salt

noun

1. any of a class of compounds with the general formula ArN:N ^– M ⁺ , where Ar is an aryl group and M is a metal atom; made by the action of nitrous acid on aromatic amines and used in dyeing

Word History and Origins

Origin of diazonium salt¹

First recorded in 1905–10