Application segmentation of the 2,3‑Naphthalenedicarboxylic Anhydride market delineates five principal end‑uses that collectively drive demand. The largest share, Polymer Resins (≈45 % of total volume), supplies the production of high‑performance engineering plastics where the anhydride functions as a chain‑extender and cross‑linker, directly influencing resin strength and thermal stability. Adhesives & Sealants account for roughly 20 %, leveraging the anhydride’s reactivity to form robust covalent bonds in structural adhesives, thereby contributing a sizable revenue stream. Coatings represent about 15 % of consumption; here the compound is employed as a curing agent for polyester and epoxy systems, enhancing film hardness and chemical resistance. Pharmaceutical Intermediates capture 12 % of the market, serving as a building block for active‑pharmaceutical‑ingredient synthesis, which adds a high‑margin niche. The remaining 8 % falls under Other Specialty Chemicals, encompassing flame retardants and plasticizers. This 2,3‑Naphthalenedicarboxylic Anhydride segmentation underscores the diversified demand profile across industrial sectors.