CAS7320-34-5
FormulaK4P2O7
SynonymTKPP, Diphosphoric acid, potassium salt (1:4), Tetrapotassium pyrophosphate
Very Solublein water forming alkaline solns.
pH10.5 (1)
Insolubilityin alcohol
Melting Point1090 c
Odorodorless
Molecular weight330.4
Colorwhite granulated or colorless crystal
Specific gravity2.33