Used primarily in the production of high-performance polymers, particularly liquid crystal polymers (LCPs), which are essential in electronics for connectors, sensors, and circuit boards due to their thermal stability and mechanical strength. It also serves as a key intermediate in synthesizing dyes and pigments, contributing to vibrant and durable colors in textiles and plastics. Additionally, it is utilized in the development of advanced materials for gas separation membranes, enhancing efficiency in industrial processes. Its reactivity with amines and alcohols makes it valuable in organic synthesis for creating complex molecules in pharmaceuticals and agrochemicals.