Adipic acid is a white crystalline powder that is primarily used as a key monomer in the polymer industry to produce nylon and other polymers. It's also used in the production of polyurethane foams and plasticizers.
In the food industry, Adipic acid is used as a food additive (E number E355), to impart a tart flavor to food products. Adipic acid is commonly found in carbonated beverages, gelatin desserts, and baking powders.