Al2SO4331H2O

Al2SO4331H2O is a chemical compound with the formula Al2(SO4)3·31H2O. It is a hydrated form of aluminum sulfate, a salt composed of aluminum and sulfate ions. The compound is known for its high water content, which is reflected in its name, where "31H2O" indicates that there are 31 molecules of water associated with each formula unit of Al2(SO4)3.

Aluminum sulfate is commonly used in various industrial and household applications. It is often employed as a flocculant in water treatment processes to remove impurities and clarify water. In the textile industry, it is used for dyeing and printing fabrics. Additionally, it finds use in the production of paper and as a mordant in dyeing processes.

The compound is typically prepared by reacting aluminum hydroxide with sulfuric acid. The resulting solution can be crystallized to obtain Al2SO4331H2O. The hydrated form is more stable and easier to handle than the anhydrous form.

Al2SO4331H2O is a white, crystalline solid at room temperature. It is soluble in water and has a molar mass of approximately 672.35 g/mol. The compound is non-combustible but can release toxic fumes of sulfur oxides when heated to high temperatures. Proper handling and storage are essential to prevent accidental release and ensure safety in industrial settings.