SINAINT® 3,5-DABA is an important monomer of new material polyimide film. Polyimide film is a new type of high temperature resistant polymer material with excellent comprehensive performance. It is widely used in high temperature resistant coatings, electromagnetic wires, semiconductor protective layers, and flexible printing. Circuit boards, solar modules and other fields. In addition, 3,5-diaminobenzoic acid is also an important dye and pharmaceutical intermediate, from which a series of yellow reactive dyes can be derived.