Aluminium Sulphate Purified (98.5%) is a white, crystalline powder with a molecular weight of ~342.15 g/mol. It decomposes on heating (no fixed boiling point) and has a melting point around 770°C (with decomposition). Form: Solid / Powder; Uses: pharmaceutical and cosmetic formulations, laboratory reagents, water treatment, and high-purity chemical applications. Available Quantities: 500 g, 5 kg, 25 kg (custom bulk packing available)