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CAS 13472-36-1

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Sodium pyrophosphate decahydrate

Description:
Sodium pyrophosphate decahydrate, with the CAS number 13472-36-1, is an inorganic compound characterized by its white crystalline appearance and high solubility in water. It is the sodium salt of pyrophosphoric acid and contains two sodium ions for every pyrophosphate ion, along with ten water molecules of hydration. This compound is commonly used as a buffering agent, emulsifier, and thickening agent in various applications, including food processing, detergents, and pharmaceuticals. Its ability to chelate metal ions makes it valuable in preventing the precipitation of calcium and magnesium in water treatment processes. Sodium pyrophosphate decahydrate is also utilized in analytical chemistry as a reagent. In terms of safety, it is generally regarded as non-toxic, but standard precautions should be taken to avoid ingestion or prolonged skin contact. Overall, its versatile properties make it an important compound in both industrial and laboratory settings.
Formula:H4O7P2·10H2O·4Na
InChI:InChI=1S/4Na.H4O7P2.10H2O/c;;;;1-8(2,3)7-9(4,5)6;;;;;;;;;;/h;;;;(H2,1,2,3)(H2,4,5,6);10*1H2
InChI key:InChIKey=JWVBKODFUJPPRI-UHFFFAOYSA-N
SMILES:O(P(=O)(O)O)P(=O)(O)O.[Na].O
Synonyms:
  • Diphosphoric acid, sodium salt, hydrate (1:4:10)
  • Diphosphoric acid, tetrasodium salt, decahydrate
  • Pyrophosphoric acid, tetrasodium salt, decahydrate
  • Sodium Phosphonato Phosphate Decahydrate
  • Sodium Pyrophosphate Decahydrate
  • Sodium diphosphate (Na<sub>4</sub>P<sub>2</sub>O<sub>7</sub>) decahydrate
  • Sodium pyrophosphate (Na<sub>4</sub>P<sub>2</sub>O<sub>7</sub>) decahydrate
  • Tetrasodium Diphosphate Decahydrate
  • Trisodium phosphate 12aq
  • Tetrasodium pyrophosphate decahydrate
  • Sodium pyrophosphate (Na4P2O7) decahydrate
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