It is an important raw material and intermediate used in organic synthesis, pharmaceuticals, agrochemicals and dyestuff.
1,4-Naphthalenedicarboxylic acid is widely used in dyes, optical brighteners, high-adhesion coatings, and plastics. It can be used as an important intermediate in organic synthesis to manufacture high-performance polyester fibers and insulation materials. It is an important monomer for polyethylene naphthalate (PEN), liquid crystal polymers, and polyurethane resins. It is used in the pharmaceutical field and has certain applications.