Used as an intermediate in the synthesis of dyes and pigments, particularly for producing azo dyes that exhibit good light and wash fastness. Plays a role in the development of fluorescent whitening agents for textiles and paper. Employed in the preparation of pharmaceuticals and agrochemicals due to its ability to undergo functional group transformations. Serves as a building block in organic electronics and research for creating luminescent materials. Also utilized in the development of sensors and optoelectronic devices owing to its aromatic structure and electron-donating properties.