Used as an intermediate in the synthesis of naphthopyranone-based dyes and pigments, particularly for high-performance colorants in coatings and inks. It plays a key role in forming complex heterocyclic structures valued for their thermal stability and colorfastness. Also employed in the development of photochromic materials, where it contributes to light-responsive properties in specialty applications like ophthalmic lenses and smart windows. Its chloroanilide functionality enhances reactivity in coupling reactions, making it useful in fine chemical synthesis for agrochemicals and pharmaceuticals.