Appearance: Pale yellow to grey yellow free-flowing powder or pellet,soluble in water. Application: It is the strongest but least selective of the xanthate range of reagents used in the flotation of metal sulphides and gold bearing pyrite. Specification: Xanthate purity : 90.0% min Free alkali : 0.2% max Moisture/volatile : 4.0 % max. Plywood case, 900kgs net each.