Iron(II) phosphate

Chemical compound From Wikipedia, the free encyclopedia

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

Quick facts Names, Identifiers ...
Iron(II) phosphate
Names
IUPAC name
Iron(II) phosphate
Other names
Ferrous phosphate
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.035.456 Edit this at Wikidata
EC Number
  • 239-018-0
UNII
  • InChI=1S/3Fe.2H3O4P/c;;;2*1-5(2,3)4/h;;;2*(H3,1,2,3,4)/q3*+2;;/p-6 checkY
    Key: SDEKDNPYZOERBP-UHFFFAOYSA-H checkY
  • [O-]P(=O)([O-])[O-].[O-]P(=O)([O-])[O-].[Fe+2].[Fe+2].[Fe+2]
Properties
Fe3(PO4)2
Appearance brown powder
Density 2.61 g/cm3 (octahydrate)
Melting point 180 °C (356 °F; 453 K) (octahydrate) decomposes[1]
insoluble
Structure
monoclinic (octahydrate)
C 2/m
a = 10.086 (octahydrate), b = 13.441 (octahydrate), c = 4.703 (octahydrate)
α = 90°, β = 104.27°, γ = 90°
Hazards
GHS labelling:
GHS07: Exclamation mark
Warning
H315, H319, H335
P261, P280, P304+P340, P305+P351+P338, P405, P501
NFPA 704 (fire diamond)
[2]
NFPA 704 four-colored diamondHealth 2: Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury. E.g. chloroformFlammability 1: Must be pre-heated before ignition can occur. Flash point over 93 °C (200 °F). E.g. canola oilInstability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazards (white): no code
2
1
0
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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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

References

External links

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