... high quality/credit Synonyms: Sodium Hydrosulphide ,Sodium Hydrogen Sulphide, Sodium Hydrogen Sulfide, Sodium Sulfhydrate, Sodium Bisulphide.Predominance:mainly used ... intenerated,especially less iron , sodium sulfide, sodium carbonate, Insolubles impurity in water.dip-dying in the leather ... , easily being deliquescent, soluble in water and alcohol, water solution with strong alkaline. Reacted with ...