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CAS 7784-26-1

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Aluminum ammonium sulfate dodecahydrate

Description:
Aluminum ammonium sulfate dodecahydrate, commonly known as ammonium alum, is a chemical compound with the formula KAl(SO₄)₂·12H₂O. It is a colorless, crystalline solid that is highly soluble in water, making it useful in various applications. This compound typically forms octahedral crystals and has a characteristic astringent taste. It is commonly used in water purification processes, as a mordant in dyeing, and in food processing as a leavening agent. The presence of both aluminum and ammonium ions contributes to its unique properties, including its ability to act as a flocculating agent. In terms of safety, it is generally considered non-toxic, but like many chemical substances, it should be handled with care to avoid irritation to the skin and eyes. Its dodecahydrate form indicates that it contains twelve water molecules, which are integral to its structure and stability. Overall, aluminum ammonium sulfate dodecahydrate is a versatile compound with significant industrial and laboratory applications.
Formula:AlH28NO20S2
InChI:InChI=1/Al.H3N.H2O4S.H2O/c;;1-5(2,3)4;/h;1H3;(H2,1,2,3,4);1H2/q+3;;;/p-1
InChI key:InChIKey=SNFYLZPJRFAAMP-UHFFFAOYSA-N
SMILES:S(=O)(=O)(O)O.[Al].N.O
Synonyms:
  • Aluminium Ammonium Sulphate Dodecahydrate
  • Aluminium ammonium sulphate
  • Aluminum Ammonium Sulfate Hydrate
  • Aluminum ammonium bis(sulfate) dodecahydrate
  • Aluminum ammonium disulfate dodecahydrate
  • Aluminum ammonium sulfate (Al(NH<sub>4</sub>)(SO<sub>4</sub>)<sub>2</sub>) dodecahydrate
  • Aluminum ammonium sulfate dodecahydrate
  • Ammonia alum
  • Ammonium alum
  • Ammonium alum (NH<sub>4</sub>Al(SO<sub>4</sub>)<sub>2</sub>.12H<sub>2</sub>O)
  • See more synonyms
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