It can be used as raw materials of green sulfide and blue sulfide, as fuel, as acid-base corrosive solution, as corrosion inhibitor for steel corrosion protection, and to make sulfur dye
Sodium sulfide is also called stinky alkali, stinky soda, yellow alkali and sulfide alkali. What is sodium sulfide? Inorganic compound, pure sodium sulfide is colorless crystalline powder. Strong moisture absorption, easily soluble in water. The aqueous solution is strongly alkaline. It can cause burns when touching skin and hair. So sodium sulfide is commonly known as alkali sulfide.
sodium sulfide aqueous solution will be slowly oxidized into sodium thiosulfate, sodium sulfite, sodium sulfate and sodium polysulfide in air. Because of the rapid formation of sodium thiosulfate, the main product of oxidation is sodium thiosulfate. Sodium sulfide deliquesces in the air, and is carbonated and deteriorated, and is constantly released? Hydrogen sulfide gas. ?
The color of industrial sodium sulfide is pink, brownish red and khaki due to impurities. Specific gravity, melting point and boiling point are also different due to the influence of impurities.