Potassium pyrophosphate

K4O7P2CAS 7320-34-5330.33 g/mol

Open in Covalent MOL file
O−PO−OOPO−O−OK+K+K+K+
Phosphate

Properties

Molecular formula
K4O7P2
Molar mass
330.33 g/mol
Exact mass
329.7668 Da
Melting point
1090 °C
logP
-2.33Crippen estimate
Polar surface area
124.3 Ų
H-bond donors / acceptors
4 / 3
Rotatable bonds
2

Hazards

No GHS classification is on file for this compound. That is not evidence that it is harmless.

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Identifiers

CAS number
7320-34-5
SMILES
[O-]P([O-])(=O)OP([O-])([O-])=O.[K+].[K+].[K+].[K+]
InChI

The InChI we hold for this record describes the parent acid and the metal separately rather than the salt above, so it is not shown here.

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Names and synonyms

11 names
  • Diphosphoric acid, potassium salt (1:4)
  • Pyrophosphoric acid, tetrapotassium salt
  • Diphosphoric acid, tetrapotassium salt
  • Phosphosol
  • Tetrapotassium pyrophosphate
  • Tetrakalium pyrophosphate
  • Tetrapotassium diphosphate
  • Potassium phosphate (K4P2O7)
  • Potassium diphosphate (K4P2O7)
  • E 450v
  • Potassium metaphosphate oxide (K4(PO3)2O)

Work with Potassium pyrophosphate

Predict the NMR spectrum1H and 13C shifts with multiplicities Make a solutionWhat to weigh for any molarity and volume Check drug-likenessLipinski, Veber and lead-likeness Isotope patternExact mass and the mass spectrum pattern

Similar compounds

Potassium tripolyphosphate13845-36-870 % similar Iron(III) pyrophosphate10058-44-367 % similar Barium pyrophosphate13466-21-267 % similar Stannous pyrophosphate15578-26-467 % similar Tetrasodium pyrophosphate7722-88-567 % similar Calcium pyrophosphate7790-76-367 % similar Sodium pyrophosphate decahydrate13472-36-157 % similar Sodium triphosphate7758-29-448 % similar

Tanimoto similarity of circular fingerprints over the whole catalogue.

All similar compounds

Elsewhere

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