Aluminium Potassium Sulphate 99.5% ACS Letterbox Friendly Pouch




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.

  • As a mordant in dyeing and printing textiles
  • In the preparation of lakes and pigments for painting
  • In the manufacturing of baking powder and self-raising flour
  • In the preparation of pickles and other food products as a firming agent and stabilizer
  • As a clarifying agent in the production of beer and wine
  • In the paper industry as a sizing agent
  • As a flame retardant in some plastics and coatings
  • In water treatment as a coagulant to remove impurities
  • In the production of specialty glass, ceramics, and alum crystals
  • In the pharmaceutical industry for various applications such as antiperspirants and wound healing products

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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