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436011

Sigma-Aldrich

Iron(III) phosphate dihydrate

Fe 29 %

Synonym(s):

Ferric phosphate dihydrate

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About This Item

Linear Formula:
FePO4 · 2H2O
CAS Number:
13463-10-0
Molecular Weight:
186.85
MDL number:
MFCD00221523
UNSPSC Code:
12161600
PubChem Substance ID:
24867271
NACRES:
NA.22

form

powder

composition

Fe, 29%

reaction suitability

core: iron
reagent type: ligand
reaction type: Cross Couplings

functional group

amine
phosphine

SMILES string

O.O.[Fe+3].[O-]P([O-])([O-])=O

InChI

1S/Fe.H3O4P.2H2O/c;1-5(2,3)4;;/h;(H3,1,2,3,4);2*1H2/q+3;;;/p-3

InChI key

BMTOKWDUYJKSCN-UHFFFAOYSA-K

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Application

Iron(III) phosphate dihydrate (FePO4 x 2H2O) can be used as a catalyst in the synthesis of:
  • 3,4-dihydropyrimidin-2(1H)-ones and thiones by reacting with aldehydes, β-ketoesters and urea/thiourea via one pot-three component Biginelli reaction.
  • Methyl methacryalate (MMA) by oxidative dehydrogenation of methyl iso-butarate (MIB).

It can be also used in the synthesis of carbon coated lithium iron phosphate (LiFePO4) as the cathode material for lithium ion batteries. It is also used as a key ingredient in preparing phosphate glass fibers.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

436011-1KG:
436011-250G:
436011-10KG:
436011-VAR:
436011-BULK:

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Structural and electrochemical study of a new crystalline hydrated iron (III) phosphate FePO4
Marx N, et al.
Chemistry of Materials, 22(5), 1854-1861 (2010)
An Oxidative Route for the Production of Methyl Methacrylate: A Study Over Iron Phosphate Catalysts
Harilal A, et al.
Catalysis Letters, 146(7), 1169-1181 (2016)
A novel process to recycle spent LiFePO4 for synthesizing LiFePO4/C hierarchical microflowers
Bian D, et al.
Electrochimica Acta, 190(5), 134-140 (2016)
Fabian Rohner et al.
The Journal of nutrition, 137(3), 614-619 (2007-02-22)
Particle size is a determinant of iron (Fe) absorption from poorly soluble Fe compounds. Decreasing the particle size of metallic Fe and ferric pyrophosphate added to foods increases Fe absorption. The aim of this study was to develop and characterize
Tao Zhang et al.
Journal of hazardous materials, 176(1-3), 444-450 (2009-12-17)
Phosphorus removal and recovery by ferric phosphate (FePO(4) x 2 H(2)O) precipitation has been considered as an effective technology. In the present study, we examined chemical precipitation thermodynamic modeling of the PHREEQC program for phosphorus removal and recovery from wastewater.
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