... NO: 16721-80-5 4) Synonyms: sodium hydrogen sulphide, sodium hydrogen sulfide, sodium sulfhydrate, sodium bisulphide Specification of sodium hydrosulfide ItermsStandardsResultNaHS (%)70.0 Min70.8Na2S (%)0 ... NO: 16721-80-5 Hs NO.: 28301090ALIAS: Sodium Hydrosulphide ,Sodium Hydrogen Sulphide, Sodium Hydrogen Sulfide, Sodium Sulfhydrate, Sodium Bisulphide.Predominance:mainly used by mill run, pesticide ...