Aluminium potassium sulphate, also known as potassium alum or potash alum, is a chemical compound with the formula KAl(SO4)2·12H2O. It is a double salt that consists of the sulphate anion, aluminium cation, and potassium cation. The compound forms large, transparent, octahedral crystals that are soluble in water.
Potassium alum has a wide range of applications due to its properties as an astringent, antiseptic, and flame retardant. It is commonly used in the production of water purification systems, flame retardant textiles, and as a mordant in dyeing fabrics. Additionally, it has a long history of use as a traditional medicine for various ailments such as sore throats, canker sores, and skin irritations.
Minimum Assay: >99.5%
Molecular Formula: AlK(S04)2.12H20
Molecular Weight: 474.38 g/mol
Melting Point: 92 C
Water: <4.5%
Chloride: <0.01%
Iron: <100ppm
Aluminium: 5-6%
Hazard Phrases: Not considered harmful under normal laboratory conditions
Cas No: 7784-24-9
Einecs No: 233-141-3
HS CODE: 2833300000
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