Used as a key intermediate in the synthesis of fluorescent dyes and optical brighteners due to its rigid aromatic structure and ability to form stable complexes. Employed in the development of sensors for metal ions, especially zinc and aluminum, leveraging its chelating properties and fluorescence response. Found in some pharmaceutical research as a building block for bioactive molecules, particularly in anti-inflammatory and antimicrobial agents. Also utilized in organic electronics for designing electron-transport materials in OLEDs.