We can supply you sodium sulphide with good quality and competetive price. Purity: 60% MinNa2So3: 2% ... sulfur dye, reductant of dye intermediate, mordant, flotation agent of ore, depilation agent of leather, paper cooking agent. Moreover, it is ... production of sodium thiosulfate, sodium polysulfide and sodium hydrosulphide . Sodium Sulphide