2-Chloro-4,6-diamino-1,3,5-triazine is primarily utilized as a key intermediate in the synthesis of triazine-based herbicides, such as atrazine and simazine, and other agricultural chemicals that effectively inhibit weed growth. Its triazine structure enables selective activity against target plants. Additionally, it finds application in the development of resins and polymers, where the triazine core enhances thermal stability and chemical resistance. In dye manufacturing, it serves as a building block for reactive colorants with improved lightfastness and durability. The compound's reactivity also supports organic synthesis, particularly for heterocyclic compounds used in pharmaceuticals and agrochemicals.