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Tetrapotassium diphosphate

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Tetrapotassium diphosphate

Molecular formula: K4O7P2 CAS# 7320-34-5
Categories: Inorganic salt
PubChem CID: 23740 | ChemSpider ID: 22198
Names
English:
Diphosphoricacid, potassium salt (1:4)
Diphosphoricacid, tetrapotassium salt (9CI)
EINECS:230-785-7
Phosphosol
Potassium Diphosphate
Potassium diphosphate (K4P2O7)
Potassium phosphate(K4P2O7)
Potassium pyrophosphate
Pyrophosphoric acid, tetrapotassium salt(8CI)
Tetra Potassium Pyrophosphate
Tetra Potassium Pyrophosphate(TKPP)
Tetrakalium pyrophosphate
Tetrapotassium Pyrophosphate (TKPP)
Tetrapotassium diphosphate(IUPAC)
Tetrapotassiumdiphosphate
tetrapotassium;phosphonato phosphate(IUPAC)

Variants of the formula:

K4P2O7
K^+\0O`^-/P<_pp4O><_q4O`^-_(A-60,N0)K^+>/O\P<_pp4O></O^-`\0K^+>\O^-/0K^+
O=P<`|O^-`\0K^+><|O^-`/0K^+>-O-P<`|O^-/0K^+><|O^-\0K^+>=O
Elemental composition
Can't show the diagram.
Symbol Element Atomic weight Number of atoms Mass percent

Reactions in which Tetrapotassium diphosphate is involved

  • H4P2O7 + 4{M}OH -> {M}4P2O7 + 4H2O , where M = Na K Li Rb
  • 2K2HPO4 "250^oC"--> K4P2O7 + H2O