Calcium pyrophosphate (Ca2P2O7)

CAS Registry Number®

7790-76-3
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CAS Name

Calcium pyrophosphate (Ca2P2O7)

Molecular Formula

Ca.1/2H4O7P2

Cite this Page

Calcium pyrophosphate (Ca2P2O7).   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=7790-76-3 (retrieved 2022-05-21) (CAS RN: 7790-76-3).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    1353 °C
  • Density (1)

    3.09 g/cm3

Source(s)

  • (1) Hazardous Substances Data Bank data were obtained from the National Library of Medicine (US)

Other Names and Identifiers

InChI

InChI=1S/2Ca.H4O7P2/c;;1-8(2,3)7-9(4,5)6/h;;(H2,1,2,3)(H2,4,5,6)

InChIKey

InChIKey=DPAQUJBIWSGYRJ-UHFFFAOYSA-N

SMILES

O(P(=O)(O)O)P(=O)(O)O.[Ca]

Canonical SMILES

[Ca].O=P(O)(O)OP(=O)(O)O

Other Names for this Substance

  • Diphosphoric acid, calcium salt (1:2)
  • Pyrophosphoric acid, calcium salt (1:2)
  • Calcium pyrophosphate (Ca2P2O7)
  • Calcium pyrophosphate
  • Dicalcium pyrophosphate

Deleted or Replaced CAS Registry Numbers

15099-12-4, 77308-72-6, 847870-11-5, 1269629-40-4, 1354651-09-4, 1431382-02-3, 1620054-55-8, 1914981-03-5, 2243418-01-9, 2464713-84-4, 2562357-72-4