Specifications
sodium sulfide: Na2S
1.Main Content:60% 
2.Appearance:Yellow thin flakes 
3.Fe ConteFlakes, yellow color, soluble in water, presenting strong alkaline solution, easily oxidized when exposed to air, poisonus.

Application: uesed as making sulphur dyes or dyestuff intermediate reducer, mordant, flotation agent, depilatory for leather, digestion auxiliary in paper-making. also widely in pigment and rubber industry, etc.  nt: 30ppm max, low iron