diazonium salt


noun Chemistry.

any of a group of salts of the general formula ArN2X, in which Ar represents an aryl group and X an anion, as benzenediazonium chloride, C6H5N(N)Cl, many of which are important intermediates in the manufacture of azo dyes.

Origin of diazonium salt

First recorded in 1905–10

British Dictionary definitions for diazonium salt

diazonium salt

noun

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