Aluminium Oxide Active (Acidic, pH 3.5–4.5) is a white, free-flowing powder with a molecular weight of ~101.96 g/mol. It has a high melting point around 2050°C and no boiling point under normal conditions. Form: Solid / Powder; Uses: adsorption, chromatography, catalyst support, drying agents, and laboratory applications. Available Quantities: 500 g, 5 kg, 25 kg (custom bulk packing available)