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529311

Sigma-Aldrich

Iron(III) oxide

≥99.995% trace metals basis

Sinónimos:

Ferric oxide

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About This Item

Fórmula empírica (notación de Hill):
Fe2O3
Número de CAS:
1309-37-1
Peso molecular:
159.69
EC Number:
215-168-2
MDL number:
MFCD00011008
UNSPSC Code:
12352303
PubChem Substance ID:
24877672
NACRES:
NA.23

Quality Level

100

assay

≥99.995% trace metals basis

form

powder

application(s)

battery manufacturing

SMILES string

O=[Fe]O[Fe]=O

InChI

1S/2Fe.3O

InChI key

JEIPFZHSYJVQDO-UHFFFAOYSA-N

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General description

Iron is present in the form of iron(III) oxide in almost all natural sources of water. It is the most common supplement of iron for algae. It is a highly stable n-type semiconductor, and possesses a band gap of 2.0 to 2.2eV. It is widely used in solar photoelectrolysis cells. Self-organized nanoporous iron(III) oxide (haematite) has been prepared. Orientation effects on nearly opaque single crystals of iron(III) oxide have been investigated by laser Raman spectroscopy.

Application

Iron(III) oxide may be used in the preparation of iron(III) oxide-hydrate gels.

Storage Class

13 - Non Combustible Solids

wgk_germany

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Certificados de análisis (COA)

Lot/Batch Number
MKCP9475
MKCP1648
MKCN9937
MKCN2715
MKCM6322

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Iron oxide powder, max. particle size 50 micron, weight 100 g, purity 99.9%

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Iron(II,III) oxide powder, <5 μm, 95%

Sigma-Aldrich

310069

Iron(II,III) oxide

Iron(II,III) oxide nanopowder, 50-100 nm particle size (SEM), 97% trace metals basis

Sigma-Aldrich

637106

Iron(II,III) oxide

The structure of iron (III) oxide-hydrate gels.
Van der Giessen AA.
J. Inorg. Nucl. Chem., 28(10), 2155-2159 (1966)
Electrochemistry and photoelectrochemistry of iron (III) oxide.
Dare-Edwards MP, et al.
J. Chem. Soc., Faraday, 79(9), 2027-2041 (1983)
Light-induced reduction of natural iron (III) oxide and its relevance to phytoplankton.
Finden DAS, et al.
Nature, 309, 783-784 (1984)
The single-crystal Raman spectra of nearly opaque materials. Iron (III) oxide and chromium (III) oxide.
Beattie IR and Gilson TR.
J. Chem. Soc. Sect. A, 980-986 (1970)
William B Ingler et al.
Journal of the American Chemical Society, 126(33), 10238-10239 (2004-08-19)
Stable zinc-doped iron(III) oxide thin films that exhibit p-type behavior were synthesized by spray pyrolytic deposition (SPD) on conducting indium-doped tin oxide-coated glass substrate. The highest photocurrent density of 1.1 mA/cm2 was observed at an illumination intensity of 40 mW/cm2
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