Ammonium calcium phosphate

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Ammonium calcium phosphate
Names
IUPAC name
azanium;calcium;phosphate
Other names
Ammonium calcium phosphate
Identifiers
3D model (JSmol)
ChemSpider
PubChem CID
  • InChI=1S/Ca.H3N.H3O4P/c;;1-5(2,3)4/h;1H3;(H3,1,2,3,4)/q+2;;/p-2
    Key: YNGQHHUHCOYPKT-UHFFFAOYSA-L
  • heptahydrate:InChI=1S/Ca.H3N.H3O4P.7H2O/c;;1-5(2,3)4;;;;;;;/h;1H3;(H3,1,2,3,4);7*1H2/q+2;;;;;;;;;/p-2
    Key: UKLAVEVJLCVRMM-UHFFFAOYSA-L
  • [NH4+].[O-]P(=O)([O-])[O-].[Ca+2]
  • heptahydrate:[NH4+].O.O.O.O.O.O.O.[O-]P(=O)([O-])[O-].[Ca+2]
Properties
CaH4NO4P
Molar mass 153.087 g·mol−1
Appearancecolorless crystals
Density 1.561 g/cm3 (hydrate)
insoluble
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Ammonium calcium phosphate is a chemical compound with the chemical formula CaNH4PO4.

Physical properties

The compound forms colorless crystals, insoluble in water.

It also forms heptahydrates CaNH4PO4 • 7H2O. [1]

References

  1. ↑ Takagi, S.; Mathew, M.; Brown, W. E. (15 July 1984). "Structure of ammonium calcium phosphate heptahydrate, Ca(NH4)PO4.7H2O" . Acta Crystallographica Section C: Crystal Structure Communications . 40 (7): 1111–1113. Bibcode:1984AcCrC..40.1111T. doi:10.1107/S0108270184006995. ISSN   0108-2701 . Retrieved 26 February 2025.
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