Aluminum Ammonium Sulphate L.R. (99.5%) is a white, crystalline solid with a molecular weight of ~453 g/mol. It decomposes on heating (no fixed boiling point) and has a melting point around 93°C (with decomposition). Form: Solid / Crystals; Uses: laboratory reagents, water treatment, textile processing, and chemical analysis. Available Quantities: 500 g, 5 kg, 25 kg (custom bulk packing available)