Sodium Hydrosulphide, High quality with competitive price supply by manufacturer Sodium Hydrosulfide Molecular formula: NaHS Molecular weight: 56.06 CAS NO: ... % Max0.0050.005--AppearanceYellowish FlakeYellowish Flake Synonyms: Sodium Hydrosulphide ,Sodium Hydrogen Sulphide, Sodium Hydrogen Sulfide, Sodium Sulfhydrate, Sodium Bisulphide.Predominance:mainly used by mill run, pesticide ...