Barium Sulphate (97%) is a white, odorless crystalline powder with a molecular weight of ~233.39 g/mol. It does not decompose easily on heating and has a high melting point above 1580°C. Form: Solid / Powder; Uses: medical contrast agents, paints and coatings, plastics, rubber, paper, and laboratory applications. Available Quantities: 500 g, 5 kg, 25 kg (custom bulk packing available)