Ammonium ferric citrate

Ammonium ferric citrate has the formula (NH4)5[Fe(C6H4O7)2]. A distinguishing feature of this compound is that it is very soluble in water, in contrast to ferric citrate which is not very soluble.

Ammonium ferric citrate

Structure of ammonium ferric citrate

Crystal structure of (NH4)5[Fe(C6H4O7)2]·2H2O[1]
Names
IUPAC name
2-Hydroxypropane-1,2,3-tricarboxylate, ammonium iron(3+) salt
Other names
Ferric ammonium citrate
Ammonium iron(III) citrate
Ammonium ferric citrate
Iron ammonium citrate
FerriSeltz
Identifiers
ChEBI
ChEMBL
ECHA InfoCard 100.013.351
EC Number
  • 214-686-6
E number E381 (antioxidants, ...)
KEGG
UNII
Properties
C6H8O7xFe3+yNH3
Appearance yellow crystals
Pharmacology
V08CA07 (WHO)
Hazards
Safety data sheet
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N verify (what is YN ?)
Infobox references

In its crystal structure each moiety of citric acid has lost four protons. The deprotonated hydroxyl group and two of the carboxylate groups ligate to the ferric center, while the third carboxylate group coordinates with the ammonium.[1]

Uses

Ammonium ferric citrate has a range of uses, including:

See also

References

  1. Matzapetakis, M.; Raptopoulou, C. P.; Tsohos, A.; Papaefthymiou, V.; Moon, N.; Salifoglou, A. (1998). "Synthesis, Spectroscopic and Structural Characterization of the First Mononuclear, Water Soluble Iron−Citrate Complex, (NH4)5Fe(C6H4O7)2·2H2O". J. Am. Chem. Soc. 120 (50): 13266–13267. doi:10.1021/ja9807035.
  2. "KEGG DRUG: Ferric ammonium citrate".
  3. Budavari, Susan, ed. (2001), The Merck Index: An Encyclopedia of Chemicals, Drugs, and Biologicals (13th ed.), Merck, ISBN 0911910131
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