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Ferric Aluminium Sulfate GRANULAR 16% (Ferrous)

CAS Number:

Other Trading Names:

  • Ferrous Aluminium Sulfate


Type of Packaging :

  • 25kg PP/PE/bag
  • 50kg PP/PE/bag


HS Code:

Chemical appearance:
Ferric alum appears as a white powder or crystalline. The crystalline and powder forms of the substance are soluble in water. However, it is not soluble in organic solvent such as ethanol. When in water, the solution appears clears and does not form a residue. Both of them are not toxic and do not catch flames. However, it can present an environmental hazard if spread in a large area.

Chemical application and strengths:

    • The compound contains trace amount of iron and lead and has a PH value of about 3.5. It can absorb water from the atmosphere; therefore, it should always be stored away from measures under a closed container. It should also be kept away from materials that may oxidize and lead to a darker color.


  • Given that Ferric alum is powder that does not burn when it is exposed to fire, it is commonly used in firefighting foams. When applied at the base of fire, it forms a blanket that prevents the combusting materials from accessing oxygen that is required for them to keep burning. Some water treatment firms use the salt for treatment of water. During the treatment of water, the electrons in the water hydrolyze fast forming combinations with various metal elements in water. They form slats that sediment at the base of the container and can be filtered away. Unlike many water purification agents, Ferric alum can work at very low temperature. This makes it ideal for water treatment during fall and winter seasons. The same compound works well in disinfecting and treatment of sewerage systems. It combines with organic matter and deals with the resulting odor.


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