Potassium Butyl Xanthate Structure formula:  C4H9OCSSK Appearance:Slight well powder(or pellet),soluble in water,pungent odour. Principal uses: Butyl xanthate flotation of potassium is a strong flotation reagent, which is widely used mixture of various non-ferrous sulfide ore flotation. The product is especially suitable for chalcopyrite, sphalerite, pyrite flotation. Under certain conditions, can be used from sulphide mine iron ore in flotation sulfide can also be used floating activation of the sphalerite sulfate.