Origin	China
CAS No.	16721-80-5
Purity	75% min

Product name: Sodium Hydrosulfide

Specs: Purity: 75% min (solid)

           Sodium sulphide: 0.1% max

           Sodium sulphite: 1% max

           Sodium carbonate: 0.6% max

           Insoluble substance in water: 0.005% max

           Fe:0.003% max

Properties: Colorless needle-like crystal,easy to be deliquesced,it will decomposed and release hydrogen disulfide at its melting point ,soluble in water and alcohols, its water solution is strongly alkaline, it will generate hydrogen disulfide when reacting with acids. The industrial good is solution, orange or yellow, bitter taste

Storage: Keep only in closed, properly labeled containers. Do nor store in zinc, aluminum, or copper containers. Store in cool, dry, ventilated area to prevent it from being deliquescent. Separated from acids, acidic materials, oxidizing agents.