Inorganics; Inorganic Chemicals; Catalysis and Inorganic Chemistry;
ChalcogenidesChemical Synthesis; Materials Science; Metal and Ceramic Science; metal chalcogenides
Chemical Properties
mp
950 °C(lit.)
density
1.86 g/mL at 25 °C(lit.)
storage temp.
Refrigerator (+4°C)
solubility H2O
0.1 g/mL, clear, colorless
form
flakes, crystals of varied colour, with a repulsive odour
General Description
Sodium sulfide is a yellow to brick red crystalline mass or fused solid with an odor of rotten eggs. If exposed to moist air Sodium sulfide is liable to spontaneous heating and may cause ignition of nearby combustible material. Sodium sulfide absorbs moisture from the air.