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Merck

518158

Iron(II,III) oxide

99.99% trace metals basis

Synonym(s):

Ferrosoferric oxide, Iron oxide black, Magnetite

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About This Item

Empirical Formula (Hill Notation):
Fe3O4
CAS Number:
Molecular Weight:
231.53
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12352303
EC Number:
215-277-5
MDL number:
Technical Service
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assay

99.99% trace metals basis

form

powder

composition

Fe₃O₄

reaction suitability

core: iron

mp

1538 °C (lit.)

density

4.8-5.1 g/mL at 25 °C (lit.)

application(s)

battery manufacturing

SMILES string

O=[Fe].O=[Fe]O[Fe]=O

InChI

1S/3Fe.4O

InChI key

SZVJSHCCFOBDDC-UHFFFAOYSA-N

General description

Iron(II,III) oxide, also known as ferric ferrous oxide, with a purity of 99.99% trace metals basis, exhibits unique magnetic, electrical, and catalytic properties. It has density of 4.8-5.1 g/mL at 25 °C and melting point of 1538 °C , which indicates thermal stability and mechanical strength. In the field of biomedical applications, it has shown promise in magnetic resonance imaging (MRI) contrast agents and drug delivery systems due to its magnetic properties and biocompatibility. In the semiconductor industry, iron(II,III) oxide has been investigated for its potential use in spintronics and magnetic tunnel junctions, where its magnetic properties can be utilized for information storage and processing. Additionally, it is being explored for use as an anode material in lithium-ion batteries, offering high theoretical capacity and low cost due to its abundance.

Application


  • Achieving Excellent Dielectric and Energy Storage Performance in Core-Double-Shell-Structured Polyetherimide Nanocomposites.: This study explores the development of polyetherimide nanocomposites incorporating Iron(II,III) oxide for enhanced dielectric properties and energy storage capabilities, showing potential for advanced electrical applications (Yuan et al., 2023).



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Storage Class

11 - Combustible Solids

wgk

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves


Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

Substances Subject to be Indicated Names

ishl_indicated

Substances Subject to be Notified Names

ishl_notified

518158-50G:4.548173943176E12 + 518158-10G:4.548173943169E12

jan



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Articles

An article concerning self-propagating reactions induced by mechanical alloying, presented by Sigma-Aldrich.com.

Magnetic materials find diverse applications from data storage to renewable energy.


Yongxing Hu et al.
Journal of the American Chemical Society, 135(6), 2213-2221 (2013-01-26)
Controlled assembly of nanoparticles into asymmetric configurations is of great interest due to their novel properties and promising applications. In this Article, we report a generic strategy for the synthesis of dimer nanoclusters and asymmetric nanoassemblies by using magnetic colloidal
Jens Baumgartner et al.
Nature materials, 12(4), 310-314 (2013-02-05)
The formation of crystalline materials from solution is usually described by the nucleation and growth theory, where atoms or molecules are assumed to assemble directly from solution. For numerous systems, the formation of the thermodynamically stable crystalline phase is additionally
Marina I Siponen et al.
Nature, 502(7473), 681-684 (2013-10-08)
Magnetotactic bacteria align along the Earth's magnetic field using an organelle called the magnetosome, a biomineralized magnetite (Fe(II)Fe(III)2O4) or greigite (Fe(II)Fe(III)2S4) crystal embedded in a lipid vesicle. Although the need for both iron(II) and iron(III) is clear, little is known