Pyridine-2,3,6-triamine dihydrochloride is primarily utilized in organic synthesis as a key intermediate for the preparation of various heterocyclic compounds. Its structure, featuring multiple amino groups, makes it a valuable building block in the development of pharmaceuticals, particularly in the synthesis of antimalarial and antiviral agents.

In medicinal chemistry, it serves as a precursor for creating compounds with potential therapeutic properties, such as inhibitors for specific enzymes or receptors. Additionally, it is employed in the production of dyes and pigments due to its ability to form stable complexes with metal ions.

In research, this compound is often used to study chemical reactions involving amino-substituted pyridines, contributing to advancements in catalysis and material science. Its versatility and reactivity make it a significant component in both industrial and academic settings.