Aluminium Sulphate

Aluminium Sulfate CAS#16828-11-8 Products Description

Aluminium Sulfate (CAS No. 16828-11-8), commonly referred to as Alum, is a widely utilized inorganic salt supplied in a white crystalline form. Its chemical formula is Al₂(SO₄)₃, and its strong coagulating action makes it particularly valuable in water purification. By promoting the aggregation and separation of suspended solids and other impurities, it helps improve water clarity and treatment efficiency. In addition to water treatment, Aluminium Sulfate is also used across a range of industrial processes where effective coagulation and purification are required.

Key Features:

Appearance: In its solid form, Aluminium Sulfate is characterized by a white crystalline appearance, no noticeable odor, and consistent physical properties.

Solubility: Aluminium Sulfate dissolves readily in water while showing negligible solubility in ethanol, allowing it to disperse quickly and form a uniform aqueous solution.

aluminium sulfate hexadecahydrate Chemical Properties

Applications

Aluminium Sulfate serves a variety of functions across water treatment and industrial manufacturing. In municipal and industrial water treatment, it is commonly employed to promote coagulation and flocculation, facilitating the separation of suspended solids and improving water transparency. In papermaking, it can assist with sizing and processing, while in textile production it may be used to improve dye fixation. Other applications include food processing, fire-resistant material production, cement manufacturing, and related construction processes.

Industrial Uses

Beyond its role in water purification, Aluminium Sulfate is utilized as a functional raw material in the production of paper, textiles, dyes, paints, and other chemical products. Its coagulating and astringent properties also make it suitable for selected formulations and processing applications where aluminum-based compounds are required.

Physical and Chemical Properties

Aluminium Sulfate (Al₂(SO₄)₃) is an inorganic aluminum salt that typically occurs as a colorless to white crystalline material. It has a specific gravity of approximately 2.71 and is soluble in water. When exposed to elevated temperatures, the compound undergoes thermal decomposition. Its established chemical characteristics support its use across a broad range of industrial and environmental applications.

Storage and Handling

For optimum product quality, Aluminium Sulfate should be kept in a cool, dry, and well-ventilated storage area and protected from incompatible materials. During handling, suitable protective equipment, including chemical-resistant gloves and safety goggles, should be worn to minimize the risk of skin and eye contact.

With its established coagulation performance, water solubility, and versatile chemical properties, Aluminium Sulfate remains a practical material for water treatment and numerous industrial manufacturing processes.