Manufacturer for sodium sulphide NaS: 60% MIN Fe:1500ppm,150ppm,80ppm,50ppm,30ppm,15ppm,5ppm Products name: Sodium Sulphide, Sodium SulfideMolecular Formula: Na2SSpecification: 60% ... : Solid-fused or granular, brown red color, soluble in water, presenting strong alkaline solution, easily oxidized when exposed to air ... -making. also widely in pigment and rubber industry, etc. sodium sulphide