... 16721-80-5Other Namessodium hydrosulphide, sodium hydrogen sulfide,sodium hydrogen sulphideMFNaHSEINECS No.240-778- ... formula: NaHS Molecular weight: 56.06 CAS NO: 16721-80-5 Hs NO.: 28301090ALIAS: Sodium Hydrosulphide ,Sodium Hydrogen Sulphide, Sodium Hydrogen Sulfide, Sodium Sulfhydrate, Sodium ... be intenerated,especially less iron , sodium sulfide, sodium carbonate, Insolubles impurity in water.dip ...