Used primarily in organic synthesis, this compound serves as a key reagent in the preparation of various heterocyclic compounds. It is particularly valuable in the synthesis of indoles, which are important intermediates in the production of pharmaceuticals and agrochemicals. Additionally, it finds application in the development of dyes and pigments due to its ability to form stable diazonium salts. Its role in analytical chemistry includes its use as a derivatizing agent for the detection and quantification of carbonyl compounds in complex mixtures.