chempirical

Calcium pyrophosphate

Ca2O7P2CAS 7790-76-3254.10 g/mol

Open in Covalent MOL file
O−PO−OOPO−O−OCa2+Ca2+
Phosphate

Properties

Molecular formula
Ca2O7P2
Molar mass
254.10 g/mol
Exact mass
253.8371 Da
Density
3.09 g/mL
Melting point
1353 °C
logP
-1.57Crippen 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. Search the SDS library

Identifiers

CAS number
7790-76-3
SMILES
[O-]P([O-])(=O)OP([O-])([O-])=O.[Ca+2].[Ca+2]
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.

Weigh it out

Type any one amount. The others follow from the molar mass and density.

Names and synonyms

10 names
  • Diphosphoric acid, calcium salt (1:2)
  • Pyrophosphoric acid, calcium salt (1:2)
  • Calcium pyrophosphate (Ca2P2O7)
  • Dicalcium pyrophosphate
  • Calcium phosphate (Ca2P2O7)
  • Dicalcium diphosphate
  • NP 970-10
  • C 54-80
  • Calcium metaphosphate oxide (Ca2(PO3)2O)
  • Calcium (diphosphate) (Ca2(P2O7))

Work with Calcium 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

Iron(III) pyrophosphate10058-44-367 % similar Barium pyrophosphate13466-21-267 % similar Stannous pyrophosphate15578-26-467 % similar Potassium pyrophosphate7320-34-567 % similar Tetrasodium pyrophosphate7722-88-567 % similar Sodium pyrophosphate decahydrate13472-36-157 % similar Potassium tripolyphosphate13845-36-848 % similar Sodium triphosphate7758-29-448 % similar

Tanimoto similarity of circular fingerprints over the whole catalogue. All similar compounds

Elsewhere

PubChem CAS Common Chemistry NIST WebBook Wikipedia