Sodium Thiosulphate offered by our company are available in different forms which includes solid chunks, granular or powder. The chemical formula of these industrial grade substances is Na2S2O3 with a molar mass of 158.11 grams per mol in anhydrous form and 248.18 grams per mol in pentahydrate form. These crystalline chemistry elements are soluble in water with a solubility rate of 70.1 grams per 100 milliliters at a temperature of 20 degree Celsius. Sodium Thiosulphate are commonly used in medical applications, photographic processing, gold extraction, neutralization of chlorinated water and other industrial purposes. Buy from us these chemical elements in large quantities at a reasonable price.