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Substance Name: Calcium pyrophosphate
RN: 7790-76-3
UNII: X69NU20D19
InChIKey: JUNWLZAGQLJVLR-UHFFFAOYSA-J

Note

  • An inorganic pyrophosphate which affects calcium metabolism in mammals. Abnormalities in its metabolism occur in some human diseases, notably HYPOPHOSPHATASIA and pseudogout (CHONDROCALCINOSIS).

Molecular Formula

  • Ca.1/2H4-O7-P2

Molecular Weight

  • 254.097
 
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Names and Synonyms

Name of Substance

  • Calcium diphosphate
  • Calcium pyrophosphate
  • Diphosphoric acid, calcium salt (1:2)

MeSH Heading

  • Calcium Pyrophosphate

Synonyms

  • alpha-Calcium pyrophosphate
  • Calcium diphosphate
  • Calcium phosphate (Ca2P2O7)
  • Calcium pyrophosphate (Ca2P2O7)
  • Dicalcium diphosphate
  • Dicalcium pyrophosphate
  • Diphosphoric acid, calcium salt (1:2)
  • EC 232-221-5
  • EINECS 232-221-5
  • HSDB 1435
  • Pyrophosphoric acid, calcium salt (1:2)
  • UNII-X69NU20D19

Systematic Names

  • Dicalcium pyrophosphate
  • Dicalcium pyrophosphate, with a fluorine content of less than 0,005 % by weight on the dry anhydrous product
  • Diphosphoric acid, calcium salt (1:2)

Superlist Name

  • Calcium pyrophosphate

Registry Numbers

CAS Registry Number

  • 7790-76-3

FDA UNII

  • X69NU20D19

Other Registry Numbers

  • 1269629-40-4
  • 1354651-09-4
  • 15099-12-4
  • 77308-72-6
  • 847870-11-5

Related Registry Number

  • 10086-45-0 (Parent)

System Generated Number

  • 0007790763

Molecular Formulas

Molecular Formula

  • Ca.1/2H4-O7-P2

Molecular Formula Fragments

  • Ca
  • COMPONENT
  • H4-O7-P2

Structure Descriptors

InChI

1S/2Ca.H4O7P2/c;;1-8(2,3)7-9(4,5)6/h;;(H2,1,2,3)(H2,4,5,6)/q2*+2;/p-4

InChIKey

JUNWLZAGQLJVLR-UHFFFAOYSA-J

Smiles

P(OP(=O)([O-])[O-])(=O)([O-])[O-].[Ca+2].[Ca+2]