Aluminium sulfate

Physicochemical properties
Density: 2.71 g/mL at 25 °C(lit.)
Melting point: 770 °C (dec.)(lit.)
Molecular formula: Al2O12S3
Molecular weight: 342.151
Exact quality: 341.818268
Storage conditions: It should be stored in a cool, dry and clean warehouse, and should be protected from moisture.

Stability:
1. Heat to 250℃ to lose crystal water and form white powder. It begins to decompose into Al2O3, SO3, SO2 and water vapor when heated to 700°C. It is soluble in water and decomposes to γ-Al2O3 and SO3 at 580～900℃.
Water solubility: soluble

More
1. Properties: white orthorhombic crystalline powder.
2. Density (g/mL, 25℃): 1.69
3. Melting point (ºC): 770
4. Boiling point (ºC, normal pressure): 645
5. Solubility: soluble in water, insoluble in alcohol.