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
APPLICATIONS
Used in dyes production, leather processing, pulp and paper, mining for ore flotation, and water treatment.
SAFETY & RISKS
Corrosive to eyes, skin, respiratory tract; toxic on ingestion. Flammable; releases H2S with acids; Hazard Class 8.
PACKAGING
In 25kg bags or drums with liners; store airtight; dispose rinsed containers in landfills.
