Iron(II) citrate

Iron(II) citrate
Names
IUPAC name Iron(II) hydrogen 2-hydroxy-1,2,3-tricarboxylpropane
Other names Iron(II) citrate, Ferrous citrate, Iron citrate
Identifiers
CAS Number	23383-11-1^Y
3D model (JSmol)	Interactive image
ChemSpider	9239835
ECHA InfoCard	100.041.463
EC Number	245-625-1
PubChem CID	11064683
UNII	33KM3X4QQW^Y
InChI InChI=1S/C6H8O7.Fe/c7-3(8)1-6(13,5(11)12)2-4(9)10;/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12);/q;+2/p-2^Y Key: APVZWAOKZPNDNR-UHFFFAOYSA-L^Y InChI=1/C6H8O7.Fe/c7-3(8)1-6(13,5(11)12)2-4(9)10;/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12);/q;+2/p-2 Key: APVZWAOKZPNDNR-NUQVWONBAY
SMILES C(C(=O)O)C(CC(=O)[O-])(C(=O)[O-])O.[Fe+2]
Properties
Chemical formula	C₆H₆FeO₇
Molar mass	245.95 g·mol⁻¹
Melting point	350 °C (662 °F; 623 K) decomposes (monohydrate)^[1]
Solubility in water	Slightly Soluble^[1]
Solubility	Insoluble in alcohol, acetone^[1]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Ferrous citrate, or iron(II) citrate, is an ionic chemical compound with formula FeC
6H
6O
7, consisting of one divalent iron cation (Fe²⁺) and one hydrogencitrate anion (C
6H
6O2−
7). It can be prepared by reacting disodium citrate Na
2C
6H
6O
7 with iron(II) sulfate FeSO
4,^[2] or by action of citric acid on metallic iron.^[1]

The compound is commonly found as the monohydrate FeC
6H
6O
7·H
2O, a white powder insoluble in water, ethanol, or acetone.^[1] It is used as an iron supplement in foods.^[2]

References

1 2 3 4 5 Perry, Dale L.; Phillips, Sidney L., eds. (1995). Handbook of Inorganic Compounds. Boca Raton, Florida: CRC Press. p. 167. ISBN 0-8493-8671-3.
1 2 "CFR - Code of Federal Regulations Title 21". www.fda.gov. U.S. Food and Drug Administration. 2013-06-01. Retrieved 2014-08-02.

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