Description

Sodium sulfide is also named as alkali sulphide, room temperature pure prismatic crystal colorless or pale purple, industrial products due to impurities often pink, brown red soil, yellow block. Corrosive, toxic, density 2.**7. Decompose at **0 ℃. Soluble in water (*0 ℃ solubility is *5.4g, *0 ℃ for the solubility of *7.2g), solution is strongly alkaline. Slightly soluble in ethanol, insoluble in ether. In the acid decomposition of hydrogen sulfide gas. Deliquescence in the air, easy oxidation of thiosulfate acid sodium.