Sodium Sulfide


[ Molecular Formula ] : Na2S
[EINECS] : 215-211-5
[Cas No]. 1313-82-2
[Molecular Weight]: 78.03  
[Appearance]: Yellow flake or Red flake
[Toxicity]:Oral Rat LD50: 208 mg/kg
[Solubility in water]: Soluble (slightly soluble in alcohol)
[PH]: Alkaline
[Stability]: Stable under ordinary conditions. Oxidizes in air
[General Applications]:Sodium Sulfide is a yellow to red solid;soluble in water,slightly soluble in alcohol.It is a strong reducing agent and reacts with oxidants. It is primarily used in pulp and paper industry;It is used in water treatment as an oxygen scavenger agent,in the photographic industry to protect developer solutions from oxidation,in textile industry as a bleaching as a desulfurizing and as a dechlorinating agent and in leather trade for the sulfitization of tanning extracts. It is used in chemical manufacturing as a sulfonation and sulfomethylation is used in the production of rubber chemicals, sulfur dyes and other chemical compounds.Its used in other applications include ore flotation,oil recovery,food preservative, making dyes and detergent.

[Packages]:25kgs Bags 800 bags/20'GP,20 tons/20'GP

Two grade:
Grade 1
Apperance    red flakes
Na2S         60% min
Grade 2
Apperance    yellow flakes
Na2S         60% min