Iron(III) chromate

Iron(III) chromate[1] Names

IUPAC name

iron(III) chromate

Identifiers

CAS Number

* 10294-52-7 Y

3D model (JSmol)

* Interactive image

PubChem CID

* 21902690

UNII |

* O2123EJH4E N

InChI

* InChI=1S/3Cr.2Fe.12O/q;;;2*+3;;;;;;;6*-1

Key: OXLBLZDGMWMXSM-UHFFFAOYSA-N

SMILES

* [O-][Cr](=O)(=O)[O-].[O-][Cr](=O)(=O)[O-].[O-][Cr](=O)(=O)[O-].[Fe+3].[Fe+3]

Properties

Chemical formula

| Fe2(CrO4)3
Molar mass | 459.6808 g/mol
Appearance  | yellow powder

Solubility in water

| reacts, see also solubility chart
Hazards
Main hazards | highly toxic (contain Cr(VI))

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

Iron(III) chromate is the iron(III) salt of chromic acid with the chemical formula Fe2(CrO4)3.

## Discovery

Iron(III) chromate was discovered by Samuel Hibbert-Ware in 1817 while visiting Shetland.[2]

## Production

It may be formed by the reaction of potassium chromate and iron(III) nitrate. This reaction forms iron(III) chromate and potassium nitrate. It also can be formed by the oxidation by air of iron and chromium oxides in a basic environment:

4 Fe2O3 \+ 6 Cr2O3 \+ 9 O2 → 4 Fe2(CrO4)3

## References

1. ↑ Lide, David R. (1998). Handbook of Chemistry and Physics (87 ed.). Boca Raton, Florida: CRC Press. pp. 4–63. ISBN 0-8493-0594-2.
2. ↑ "Search - Archives Hub". http://archives.li.man.ac.uk/ead/search?operation=summary&rsid=998&firstrec=1&numreq=20&highlight=1&hitposition=0.

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Iron compounds

Fe(-II)|

* Na2Fe(CO)4

Fe(0)|

* Fe(CO)5
* Fe2(CO)9
* Fe3(CO)12
* Fe(CO)3CH3COC2H2C6H6

Fe(I)|

* FeH

| Organoiron(I) compounds|

* (C5H5FeCO)2(CO)2

|

Fe(0,II)|

* Fe3C

Fe(II)|

* FeBr2
* FeCl2
* FeF2
* FeI2
* FeH2
* FeMoO4
* FeO
* Fe(OH)2
* FeS
* FeSO4
* FeSe
* FeSeO4
* FeSi2
* FeTiO3
* FeCO3
* FeC2O4
* Fe(C2H3O2)2
* Fe(C3H5O3)2
* FeC6H6O7
* FeC12H22O14
* Fe2CrO4
* Fe3(PO4)2
* H2Fe(CO)4
* Fe(HCO3)2
* Mg2FeH6

| Organoiron(II) compounds|

* Fe(C5H5)2
* Fe(C5H4P(C6H5)2)2
* C4H4Fe(CO)3
* C4H6Fe(CO)3

|

Fe(0,III)|

* Fe3P

Fe(II,III)|

* Fe3O4
* Fe3S4

Fe(III)|

* FeBr3
* FeCl3
* FeF3
* FeI3
* Fe(NO3)3
* Fe(acac)3
* FeOCl
* FeO(OH)
* FePO4
* Fe4(P2O7)3
* Fe2(CrO4)3
* Fe2(C2O4)3
* Fe2O3
* Fe2S3
* Fe2(SO4)3
* FeBO3
* FeB

| Organoiron(III) compounds|

* Fe(C5H5)2BF4
* C6H8O7⋅xFe3+⋅yNH3

|

Fe(VI)|

* K2FeO4
* BaFeO4

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