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310050

Sigma-Aldrich

Iron(III) oxide

powder, <5 μm, ≥96%

Synonyme(s) :

Ferric oxide

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About This Item

Formule empirique (notation de Hill):
Fe2O3
Numéro CAS:
1309-37-1
Poids moléculaire :
159.69
Numéro CE :
215-168-2
Numéro MDL:
MFCD00011008
Code UNSPSC :
12352302
ID de substance PubChem :
329753614
Nomenclature NACRES :
NA.21
Essai:
≥96%
Forme:
powder
Le tarif et la disponibilité ne sont pas disponibles actuellement.

Niveau de qualité

100

Essai

≥96%

Forme

powder

Taille des particules

<5 μm

Chaîne SMILES 

O=[Fe]O[Fe]=O

InChI

1S/2Fe.3O

Clé InChI

JEIPFZHSYJVQDO-UHFFFAOYSA-N

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Catégories apparentées

Description générale

Iron (III) oxide (Fe2O3) is an inorganic compound. It is one of the three main types of iron oxide. The other two are the rare iron (II) oxide (FeO) and the naturally occurring iron (II, III) oxide (Fe3O4), found in the mineral magnetite. In the steel industry Fe2O3 is the primary source of iron. In addition to being ferromagnetic, Fe2O3 is easily attacked by acids.

Application

Iron (III) oxide is used:
  • As a catalyst in the reduction of nitroarenes.
  • As an oxidizing agent in the synthesis of [11C] Phosgene ([11C] COCl2).

Code de la classe de stockage

13 - Non Combustible Solids

Classe de danger pour l'eau (WGK)

nwg

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

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Certificats d'analyse (COA)

Lot/Batch Number
0000427834
0000427834
0000412321
0000412321
MKCV8788

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Iron oxide powder, max. particle size 50 micron, weight 100&#160;g, purity 99.9%

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Sigma-Aldrich

71063

Goethite

Electrical properties of stoichiometric BiFeO3 prepared by mechanosynthesis with either conventional or spark plasma sintering.
Perejon A, et al.
Journal of the American Ceramic Society. American Ceramic Society, 96(4), 1220-1227 (2013)
Single phase, electrically insulating, multiferroic La-substituted BiFeO3 prepared by mechanosynthesis.
Perejon A, et al.
Journal of Material Chemistry C, 2(39), 8398-8411 (2014)
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
Synthesis and photoelectrochemical properties of nanoporous iron (III) oxide by potentiostatic anodization.
Prakasam HE, et al.
Nanotechnology, 17(17), 4285-4285 (2006)
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)
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Questions

1–3 of 3 Questions  

  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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  3. Does the 96% refer to phase purity or atomic purity? 

    1 answer

    1. The 96% refers to chemical purity, not phase purity.

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