Sodium Sulphide(Low Iron Content) H.S.CODE: 28301010 CAS NO.: 1313-82-2 MOLECULAR FORMULAR: Na2S.XH2O SPECIFICATION: NA2S: 60%MIN Fe: 1500ppm,300ppm,150ppm,80ppm,30ppm PACKING: 25kg net each in ply-Kraft paper bag with plastic woven bag coated outside and lined with P.E bag and another P.P woven bag inside; PROPERTY: Yellow flakes, easily being oxidized and deliquescent in air; dissolving in water showing strong alkalinity; insoluble in ether. It is corrosive; APPLICATION: Mainly used for high-quality tanning, textile, print, dyeing, molting, papermaking, medicine industries etc;