Disulfur dinitride

Disulfur dinitride is a chemical compound. Its chemical formula is S2N2. It contains sulfur in its +3 oxidation state. It also contains nitride ions.
Properties.
Disulfur dinitride is a colorless crystalline solid. It is explosive, similar to tetrasulfur tetranitride. It easily evaporates. It does not dissolve in water. It turns back into tetrasulfur tetranitride when exposed to water. 
Preparation.
Disulfur dinitride is produced by reacting elemental silver with tetrasulfur tetranitride. This forms silver(I) sulfide, which acts as a catalyst. This reaction happens in a vacuum.
Uses.
It reacts with some chemical compounds that are acids.