Sodium sulphide1.Molecular fornula:Na2S2.Appearance:thin flakes,red/yellow soluble water,presenting strong alkaline solution,easily oxidized when exposed to airpoison.3.Specification:1)red flakes purity 60%,iron:1500ppm 2)yellow flakes:purity:60% iron:30ppm 150ppm,1500ppm 4.Application: Mainly used for high-quality tanning, textile, print, dyeing, molting, papermaking, medicine industries etc; General Iron Sodium Sulphide FlakesNo.ProductTarget01Na2S(%)60.0MinNa2CO3 (%)5.0MaxWater Insoluble(%)0.4maxFe(%)0.15maxLow Iron Sodium Sulphide FlakesNo.