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CAS 7320-34-5

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Potassium pyrophosphate

Description:
Potassium pyrophosphate, with the CAS number 7320-34-5, is an inorganic compound composed of potassium and pyrophosphate ions. It typically appears as a white, crystalline powder and is highly soluble in water, making it useful in various applications. This compound is known for its buffering properties and is often employed in biochemical and analytical laboratories. It serves as a food additive, particularly in processed foods, where it acts as an emulsifier and stabilizer. Additionally, potassium pyrophosphate is utilized in the formulation of detergents and cleaning agents due to its ability to soften water and enhance the effectiveness of surfactants. In terms of chemical behavior, it can act as a source of phosphate ions, which are essential for various biological processes. The compound is generally considered safe for use in food and industrial applications, although it should be handled with care to avoid ingestion or inhalation of dust. Overall, potassium pyrophosphate is a versatile compound with significant utility across multiple fields.
Formula:H4O7P2·4K
InChI:InChI=1S/4K.H4O7P2/c;;;;1-8(2,3)7-9(4,5)6/h;;;;(H2,1,2,3)(H2,4,5,6)
InChI key:InChIKey=SVUBBMULKFSENH-UHFFFAOYSA-N
SMILES:O(P(=O)(O)O)P(=O)(O)O.[K]
Synonyms:
  • Diphosphoric acid, potassium salt (1:4)
  • E 450v
  • Kaliumpyrophosphat
  • Phosphosol
  • Pirofosfato De Tetrapotasio
  • Potassium Pyrophosphate
  • Potassium diphosphate (K4P2O7)
  • Potassium diphosphate (K<sub>4</sub>P<sub>2</sub>O<sub>7</sub>)
  • Potassium metaphosphate oxide (K<sub>4</sub>(PO<sub>3</sub>)<sub>2</sub>O)
  • Potassium phosphate (K4P2O7)
  • See more synonyms
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