Iron(II) phosphate

Names
IUPAC name

Iron(II) phosphate

Other names

Ferrous phosphate

Identifiers

CAS Number

* 14940-41-1 Y

3D model (JSmol)

* Interactive image

ChemSpider |

* 8039263 Y

EC Number |

* 239-018-0

PubChem CID

* 9863567

UNII |

* D07L04MRWI Y

InChI

* InChI=1S/3Fe.2H3O4P/c;;;2*1-5(2,3)4/h;;;2*(H3,1,2,3,4)/q3*+2;;/p-6 Y

Key: SDEKDNPYZOERBP-UHFFFAOYSA-H Y

SMILES

* [O-]P(=O)([O-])[O-].[O-]P(=O)([O-])[O-].[Fe+2].[Fe+2].[Fe+2]

Properties

Chemical formula

| Fe3(PO4)2
Appearance  | brown powder
Density | 2.61 g/cm3 (octahydrate)
Melting point |  180 °C (356 °F; 453 K) (octahydrate) decomposes[1]

Solubility in water

| insoluble
Structure

Crystal structure

| monoclinic (octahydrate)

Space group

| C 2/m

Lattice constant

a = 10.086 (octahydrate), b = 13.441 (octahydrate), c = 4.703 (octahydrate)

α = 90°, β = 104.27°, γ = 90°

Hazards
GHS pictograms |
GHS Signal word | Warning

GHS hazard statements

| H315, H319, H335

GHS precautionary statements

| P261, P280, P305+351+338, P304+340, P405, P501
NFPA 704 (fire diamond)  |

[2]

Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Infobox references

Tracking categories (test):

* SizeSet

Iron(II) phosphate, also ferrous phosphate,[3] Fe3(PO4)2, is an iron salt of phosphoric acid.

## Contents

* 1 Natural occurrences
* 2 Production
* 3 See also
* 4 References
* 5 External links

## Natural occurrences

The mineral vivianite is a naturally occurring form of hydrated iron(II) phosphate.

## Production

It can be formed by the reaction of ferrous hydroxide with phosphoric acid to produce hydrated iron(II) phosphate.

## See also

* Iron(III) phosphate

## References

1. ↑ "iron(II) phosphate octahydrate". http://chemister.ru/Database/properties-en.php?dbid=1&id=4417.
2. ↑ "Safety Data Sheet". https://www.fishersci.com/store/msds?partNumber=AC389955000&productDescription=IRON(III)+PHOSPHATE+HYDR+500GR&vendorId=VN00032119&countryCode=US&language=en.
3. ↑ "Iron(II) Phosphate". http://www.endmemo.com/chem/compound/fe3po4_2.php.

## External links

* v
* t
* e

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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*[CID]: Compound ID
*[H315]: Causes skin irritation
*[H319]: Causes serious eye irritation
*[H335]: May cause respiratory irritation
*[P261]: Avoid breathing dust/fume/gas/mist/vapours/spray
*[P280]: Wear protective gloves/protective clothing/eye protection/face protection
*[P305+351+338]: IF IN EYES: Rinse continuously with water for several minutes. Remove contact lenses if present and easy to do – continue rinsing
*[P304+340]: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
*[P405]: Store locked up
*[P501]: Dispose of contents/container to …
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