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Merck
CN

P6526

Iron(III) pyrophosphate

soluble crystals

Synonym(s):

Diphosphoric acid iron(III) salt, Ferric pyrophosphate

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About This Item

Linear Formula:
Fe4(P2O7)3
CAS Number:
10058-44-3
Molecular Weight:
745.21
NACRES:
NA.23
PubChem Substance ID:
57654547
UNSPSC Code:
12352302
EC Number:
233-190-0
MDL number:
MFCD00016091
Form:
soluble crystals

Key Documents

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InChI key

CADNYOZXMIKYPR-UHFFFAOYSA-B

InChI

1S/4Fe.3H4O7P2/c;;;;3*1-8(2,3)7-9(4,5)6/h;;;;3*(H2,1,2,3)(H2,4,5,6)/q4*+3;;;/p-12

SMILES string

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

form

soluble crystals

composition

Iron content, 10.5-12.5%

reaction suitability

core: iron

concentration

10.5-12.5% (titration)

Quality Level

200

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General description

Ferric Phosphate is a tan or yellowish-white odorless powder. It is insoluble in water and soluble in mineral acids. It can be prepared by reacting sodium pyrophosphate with ferric citrate. It shows good bioaccesibility.

Application

Iron(III) pyrophosphate can be used:
  • As a cathode material for rechargeable batteries such as Na-ion batteries.
  • To fabricate a hybrid overlayer on the surface of metal oxides to boost photo electrochemical solar water splitting reaction.

Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
0000507909
0000507909
0000376408
0000376409
0000335313

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Y Mikal van Leeuwen et al.
Journal of colloid and interface science, 381(1), 43-47 (2012-06-09)
The ionic strength of a solution decreases during the precipitation of an insoluble salt, which can cause an initially unstable colloidal system to stabilize during its formation. We show this effect in the precipitation and aging of colloidal iron(III) pyrophosphate
Michael B Zimmermann et al.
The British journal of nutrition, 105(8), 1245-1250 (2011-01-06)
Fe absorption from water-soluble forms of Fe is inversely proportional to Fe status in humans. Whether this is true for poorly soluble Fe compounds is uncertain. Our objectives were therefore (1) to compare the up-regulation of Fe absorption at low
Wilhelmina M Huston et al.
Microbes and infection, 10(5), 497-503 (2008-04-12)
Multicopper oxidases have been described to have functions in copper tolerance, manganese oxidation, and iron oxidation in a range of bacteria. The putative cytoplasmic membrane multicopper oxidase from Legionella pneumophila was investigated. The mcoL gene was found to be critical
Angela Fabiano et al.
European journal of pharmaceutical sciences : official journal of the European Federation for Pharmaceutical Sciences, 111, 425-431 (2017-10-23)
This paper presents a comparative evaluation of different oral ferric iron formulations for ability to retain Fe
Maria Andersson et al.
The American journal of clinical nutrition, 92(5), 1094-1104 (2010-09-17)
Random serial sampling is widely used in population pharmacokinetic studies and may have advantages compared with conventional fixed time-point evaluation of iron fortification. Our objective was to validate random serial sampling to judge the efficacy of iron fortification of a
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