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Sigma-Aldrich

Eisen(III)-oxid

nanopowder, <50 nm particle size (BET)

Synonym(e):

Ferric oxide

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About This Item

Empirische Formel (Hill-System):
Fe2O3
CAS-Nummer:
1309-37-1
Molekulargewicht:
159.69
EG-Nummer:
215-168-2
MDL-Nummer:
MFCD00011008
UNSPSC-Code:
12352302
PubChem Substanz-ID:
24878791
NACRES:
NA.23

Beschreibung

crystalline (primarily γ)

Qualitätsniveau

100

Form

nanopowder

Oberflächenbereich

50-245 m2/g

Partikelgröße

<50 nm (BET)

Anwendung(en)

battery manufacturing

SMILES String

O=[Fe]O[Fe]=O

InChI

1S/2Fe.3O

InChIKey

JEIPFZHSYJVQDO-UHFFFAOYSA-N

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Allgemeine Beschreibung

Iron(III) oxide nanopowder is a fine powder with a particle size of less than 50 nm. It is a red or black solid compound made up of iron and oxygen. It is also known as hematite or ferric oxide. It is a naturally occurring mineral that can also be synthesized in the laboratory. Iron(III) oxide has a number of useful physical properties. It has a high refractive index and is opaque, making it useful as a pigment in paints in inks. Iron(III) oxide is also catalytically active and weakly ferromagnetic at room temperature.

Anwendung

Chemical Synthesis of Monodisperse Magnetic Nanoparticles
Iron(III) oxide nanopowder has a number of uses due to its magnetic and catalytic properties. It is used in the production of magnetic recording media such as magnetic tapes and disks. It is also used as a catalyst in the production of chemicals, including the production of gasoline and plastics and in environmental remediation.

Leistungsmerkmale und Vorteile

  • High theoretical specific capacity
  • Biocompatibility
  • Ease of coating and modification
  • Non-toxicity

Lagerklassenschlüssel

13 - Non Combustible Solids

WGK

nwg

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Persönliche Schutzausrüstung

dust mask type N95 (US), Eyeshields, Gloves

Analysenzertifikate (COA)

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Yangyang Yang et al.
Ecotoxicology and environmental safety, 148, 89-96 (2017-10-17)
The behaviors of nanoparticles rely on the aqueous condition such as natural organic matter (NOM). Therefore the presence of NOM would influence the interaction of nanoparticles with other substances possibly. Here, microcystin-LR (MC-LR) adsorption on iron oxide nanoparticles (IONPs) was
Hokuto Fuse et al.
Nanomaterials (Basel, Switzerland), 9(2) (2019-02-06)
Submicrometre spherical particles made of Au and Fe can be fabricated by pulsed-laser melting in liquid (PLML) using a mixture of Au and iron oxide nanoparticles as the raw particles dispersed in ethanol, although the detailed formation mechanism has not
Daniel Matatagui et al.
Sensors (Basel, Switzerland), 19(24) (2019-12-11)
A portable electronic nose based on surface acoustic wave (SAW) sensors is proposed in this work to detect toxic chemicals, which have a great potential to threaten the surrounding natural environment or adversely affect the health of people. We want
Junho Han et al.
Scientific reports, 9(1), 6130-6130 (2019-04-18)
Recent developments in analytics using infrared spectroscopy have enabled us to identify the adsorption mechanism at interfaces, but such methods are applicable only for simple systems. In this study, the preferential adsorption of phosphate on binary goethite and maghaemite was
Andrew Pratt et al.
Nature materials, 13(1), 26-30 (2013-11-05)
Geometry and confinement effects at the nanoscale can result in substantial modifications to a material's properties with significant consequences in terms of chemical reactivity, biocompatibility and toxicity. Although benefiting applications across a diverse array of environmental and technological settings, the
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