Product Name: Tannery Sodium Hydrosulphide 20ppm Max Model NO.: sodium hydrosulphide 70% Grade Standard: Industrial Grade Type: Sodium Hydrosulfide Purity: 70% Min Certification: ISO Classification: HS Appearance: Flake Product: Sodium Hydrosulphide Fe: 20 30 Ppm Capacity: 22mt Trademark: X-humate Transport Package: in 25 Kg Bags Origin: China Product Description Sodium hydrosulphide Molecular formula: NaHSCAS No. 16721-80-5EINECS No. 240-778-0Applications:Its main uses are in paper manufacture as a makeup chemical for sulfur used in the Kraft process, as a flotation agent in copper mining where it is used to activate oxide mineral species, and in the leather industry for the removal of hair from hides.Besides Sodium Hydrosulphide, we also supply Sodium Sulphide, Oxalic Acid, Sodium Formate, Ammonium Chloride,Ammonium Bicarbonate, Sodium Bicarbonate, etc.Packing: in 25 KG bagsStorage:Sodium Hydrosulphide is recommended to be kept only in closed, properly labeled containers. Do nor store in zinc, aluminum, or copper containers. Sodium Hydrosulphide is stored in cool, dry, ventilated area to prevent it from being deliquescent. Separated from acids, acidic materials, oxidizing agents.Sodium hydrosulphide (NaHS)70%minSodium sulphide (Na2S)3.0%maxFe content20ppm max