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CAS 10028-24-7

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Disodium hydrogen phosphate dihydrate

Description:
Disodium hydrogen phosphate dihydrate, with the CAS number 10028-24-7, is an inorganic compound characterized by its white crystalline appearance and hygroscopic nature. It is the disodium salt of phosphoric acid and is commonly encountered in its dihydrate form, which contains two molecules of water for each formula unit. This compound is soluble in water, forming a basic solution due to the presence of phosphate ions. It plays a significant role in various applications, including as a buffering agent in biochemical and pharmaceutical formulations, as well as in food processing as an emulsifier and stabilizer. Additionally, it is utilized in laboratory settings for preparing phosphate buffers. The compound is generally regarded as safe for use in food and pharmaceuticals, although it should be handled with care to avoid excessive exposure. Its chemical formula is Na2HPO4·2H2O, indicating the presence of two sodium ions, one hydrogen phosphate ion, and two water molecules in its structure.
Formula:H3O4P·2H2O·2Na
InChI:InChI=1S/2Na.H3O4P.2H2O/c;;1-5(2,3)4;;/h;;(H3,1,2,3,4);2*1H2
InChI key:InChIKey=YGWRBKUWPNQCPI-UHFFFAOYSA-N
SMILES:P(=O)(O)(O)O.[Na].O
Synonyms:
  • Disodium Hydrogen Phosphate Dihydrate
  • Disodium hydrogenphosphate dihydrate
  • Disodium monohydrogen phosphate dihydrate
  • Disodium orthophosphate dihydrate
  • Disodium phosphate dihydrate
  • MONOHYDROGEN SODIUM PHOSPHATE dihydrate
  • Phosphoric acid, disodium salt, dihydrate
  • Phosphoricacid,Disodiumsalt,Dihydrate
  • SEC-SODIUM PHOSPHATE dihydrate
  • SECONDARY SODIUM PHOSPHATE dihydrate
  • See more synonyms
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