Barium Sulphide is a white to grayish crystalline solid with a molecular weight of ~169.39 g/mol. It decomposes on exposure to moisture and acids and has a melting point around 1200°C. Form: Solid / Crystals; Uses: manufacture of barium salts, phosphors, leather depilatory agents, pigments, and industrial chemical processes. Available Quantities: 500 g, 5 kg, 25 kg (custom bulk packing available)