At normal temperature and pressure, 2,1, 3-benzothiadiazole is usually a colorless to pale yellow crystalline solid with a certain luster. It can remain stable in its solid state at relatively low temperatures and has a smell similar to naphthalene. This compound has a certain degree of aromaticity. The nitrogen and sulfur atoms in its molecular structure endow it with unique electronic properties and reactivity. Its heterocyclic structure enables it to exhibit special properties in some chemical reactions, such as the ability to undergo electrophilic substitution reactions and introduce other functional groups on the ring.