Dimethyl 2,7-naphthalenedicarboxylate is primarily used as an intermediate in the synthesis of high-performance polymers and liquid crystals. It plays a crucial role in the production of advanced materials, such as polyesters and polyamides, which are valued for their thermal stability, mechanical strength, and chemical resistance. These polymers are often utilized in industries like automotive, electronics, and packaging, where durability and performance under extreme conditions are essential. Additionally, it is employed in the development of organic semiconductors and optoelectronic devices, contributing to advancements in display technologies and solar cells. Its application in research and development also extends to creating novel compounds with potential uses in pharmaceuticals and specialty chemicals.