natriumdisulfidin

Natriumdisulfidin, also known as sodium disulfide, is an inorganic chemical compound with the formula Na2S2. It is a salt composed of sodium cations (Na+) and disulfide anions (S2^2-). This compound typically appears as yellow crystalline solids.

Sodium disulfide is often encountered as a hydrate, such as the dihydrate, Na2S2 · 2H2O. In aqueous solutions, it tends to hydrolyze, producing sulfide and polysulfide ions. It can be prepared through various methods, including the reaction of sodium sulfide with elemental sulfur or by the reduction of sodium thiosulfate under specific conditions.

Industrially, sodium disulfide has found applications as a sulfurizing agent, particularly in the production of rubber and other organic compounds. It can also be used as a component in certain metal treatment processes. Its reactivity stems from the presence of the disulfide bond, which can participate in various chemical transformations. Safety precautions should be observed when handling sodium disulfide, as with many chemical compounds, due to potential irritation and other hazards.