General information about Aluminium sulfate
Aluminum sulfate exists as white, lustrous crystals, granules, or powder. In nature, it exists as the mineral alunogenite.
Aluminium sulfate is sometimes called alum or papermaker’s alum, however, the name “alum” is more commonly and properly used for any double sulfate salt with the generic formula XAl(SO4)2·12H2O, where X is a monovalent cation such as potassium or ammonium.
Aluminium sulfate has an action similar to that of alum but is more stringent. Aluminium sulfate is an aluminium salt composed of aluminum, sulfur, and oxygen, three plentiful elements.
Its molecular formula is Al2 (SO4)3 or Al2S3O12 or Al2O12S3.
Properties for Aluminum sulfate
- Chemical formula Al2 (SO4)3
- Molar mass 342.15 g/mol (anhydrous) 666.44 g/mol (octadecahydrate)
- Appearance White crystalline solid Hygroscopic
- Density 2.672 g/cm3 (anhydrous) 1.62 g/cm3 (octadecahydrate)
- Melting point 770 °C (1,420 °F; 1,040 K) (decomposes, anhydrous) 86.5 °C (octadecahydrate)
- Solubility in water 31.2 g/100 mL (0 °C) 36.4 g/100 mL (20 °C) 89.0 g/100 mL (100 °C)
- Solubility slightly soluble in alcohol, dilute mineral acids
Where Is Aluminium Sulfate Used?
Water Treatment Applications
- Dyeing Fabrics
- Paper Making
- Medical Applications
- Aluminum Sulfate Usage in Food Industry
- Remineralize and clarify water for soft drinks and beer
- Control pH levels in beets, tomatoes, as well as other vegetables
- Purification of sugar beet juices
- Control pH and color wine and liquor
- Act as a leavening agent in cake mix (baking soda)
- Curdle and thicken the cheese
- OTC Medical Uses
- Gardening
Though you may not have known it, aluminum sulfate is used to make many products you use daily. Even the water you drink is filtered using aluminum sulfate!
We at petrozal company producer of caustic soda and aluminium sulfate are glad to receive your inquiries from different industries.
contact us for further information.