Sodium Sulfide
ALTERNATIVE NAMES
Sodium Monosulfide, Sodium Salt of Sulfur
TECHNICAL SPECIFICATIONS
CAS
1313-82-2
EC
215-211-5
Food Code
Sodium sulfide is a yellow to red flake or powder with formula Na2S and molecular weight 78.04 g/mol. Density 1.86 g/cm³, melting point 950°C; soluble in water releasing H2S, strong rotten egg odor. Hygroscopic; produced by reducing sodium sulfate with carbon.
Sodium Sulfide
Used in dyes production, leather processing, pulp and paper, mining for ore flotation, and water treatment.
Corrosive to eyes, skin, respiratory tract; toxic on ingestion. Flammable; releases H2S with acids; Hazard Class 8.
In 25kg bags or drums with liners; store airtight; dispose rinsed containers in landfills.
