Molecular formula: Na2S Molecular weight: 78.04 Property: brown red flaky matter, pure sodium sulphide is colorless crystalline powder. Uses: used in sulfur dyes, or used as reductant and mordant, floatation agent, depilation agent, cooking agent, or used in the making of sodium thiosulfate , sodium hydrosulphide. It can be used in textile, pigment and rubber too. Packing: 25KG/bag. 22MT in 1x20'FCL.