System: diphosphoric acid tetrapotassium salt

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1) diphosphoric acid tetrapotassium salt
DECHEMA ID39489
FormulaK4O7P2
Synonympotassium phosphate (K4P2O7)
Synonympotassium diphosphate
Synonympotassium pyrophosphate
Synonymtetrapotassium pyrophosphate
InChi-KeyRYCLIXPGLDDLTM-UHFFFAOYSA-J
Registry No.7320-34-5

Available physical property data:

PropertyPhaseNo. of tablesNo. of linesData
enthalpysolid138View
enthalpy of formationsolid11View
entropysolid238View
free enthalpy function (-H(0))solid138View
fusion temperature-1313View
heat capacity (cp)solid1125View
melting point-11View
molecular weight-11View
temperature of phase transition-11View