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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:
Molecular Weight:
186.85
MDL number:
UNSPSC Code:
12161600
PubChem Substance ID:
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

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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A novel process to recycle spent LiFePO4 for synthesizing LiFePO4/C hierarchical microflowers.
Bian D, et al.
Electrochimica Acta, 190, 134-140 (2016)
Jun-Il Kim et al.
Journal of nanoscience and nanotechnology, 12(11), 8475-8480 (2013-02-21)
A composite of LiFePO4 and MgO-templated disordered mesoporous carbon was prepared through infiltrating a LiFePO4 precursor solution into the mesoporous carbon and growing LiFePO4 nanocrystals in the pore of the carbon. Transmission electron microscope (TEM) and scanning electron microscope (SEM)
Synthesis of porous amorphous FePO4 nanotubes and their lithium storage properties.
Ren Cai et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 19(5), 1568-1572 (2013-01-03)
Preparation and Electrochemical Properties of the Spongelike Melamine Formaldehyde-Poly (vinyl alcohol)/LiFePO4 Porous Composite as the Lithium-Battery Cathode
Roddecha S, et al.
Industrial & Engineering Chemistry Research, 58(2), 632-642 (2018)
Miran Gaberscek et al.
Physical chemistry chemical physics : PCCP, 9(15), 1815-1820 (2007-04-07)
We try to identify the rate-determining step of electrochemical kinetics of a LiFePO(4)-carbon composite electrode by varying the mass of electrode and, additionally, by varying the charge-discharge current in a wide range. It is shown that the reversible capacity is

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