Sodium Thiosulfate 1.Purity:99%Min 2.Insoluble Matter In Water: 0.01%Max 3.Sulfides:0.001%Max 4.White monoclinic crystal Sodium Thiosulfate HYPOThis product can be used as a reducing agent, mordant, bleach, disinfectants, water purifying agents. CharactersSodium thiosulfate, also known as thiosulfate, which is monoclinic white crystalline powder, specific gravity 1.667, soluble in water, ...