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CAS 7784-31-8

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Aluminum sulfate octadecahydrate

Description:
Aluminum sulfate octadecahydrate, with the CAS number 7784-31-8, is a chemical compound composed of aluminum, sulfur, and oxygen, and it is characterized by its crystalline structure and high solubility in water. This compound typically appears as a white, odorless solid and is known for its hygroscopic nature, meaning it can absorb moisture from the environment. It has a molecular formula of Al2(SO4)3·18H2O, indicating that each formula unit contains 18 water molecules. Aluminum sulfate octadecahydrate is commonly used in various applications, including water purification, paper manufacturing, and as a mordant in dyeing processes. Its ability to precipitate impurities makes it effective in clarifying water. Additionally, it plays a role in the food industry as a food additive and is utilized in some agricultural practices to improve soil acidity. Safety considerations include handling it with care, as it can cause irritation to the skin, eyes, and respiratory tract upon exposure.
Formula:AlH2O4S·9H2O
InChI:InChI=1S/Al.H2O4S.6H2O/c;1-5(2,3)4;;;;;;/h;(H2,1,2,3,4);6*1H2
InChI key:InChIKey=HWVOINJDHDECJA-UHFFFAOYSA-N
SMILES:S(=O)(=O)(O)O.[Al].O
Synonyms:
  • Aluminum Sulfate Hydrate (2:3:9)
  • Aluminum sesquisulfate octadecahydrate
  • Aluminum sulfate (Al<sub>2</sub>(SO<sub>4</sub>)<sub>3</sub>) hydrate (1:18)
  • Aluminum sulfate (Al<sub>2</sub>(SO<sub>4</sub>)<sub>3</sub>) octadecahydrate
  • Aluminum sulfate octadecahydrate
  • Aluminum sulfate octadecahydrate (Al<sub>2</sub>(SO<sub>4</sub>)<sub>3</sub>.18H<sub>2</sub>O)
  • Aluminum trisulfate octadecahydrate
  • Cake alum
  • Dialuminum Trisulfate Nonahydrate
  • Dialuminum sulfate octadecahydrate
  • See more synonyms
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