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Merck

637106

Iron(II,III) oxide

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

Synonyme(s) :

Ferrosoferric oxide, Iron oxide black, Magnetite

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About This Item

Formule empirique (notation de Hill) :
Fe3O4
Numéro CAS:
Poids moléculaire :
231.53
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
215-277-5
MDL number:

Nom du produit

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

InChI key

SZVJSHCCFOBDDC-UHFFFAOYSA-N

InChI

1S/3Fe.4O

SMILES string

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

assay

97% trace metals basis

form

nanopowder
spherical

surface area

6-8 m2/g , estimated

particle size

50-100 nm (SEM)

mp

1538 °C (lit.)

density

4.8-5.1 g/mL at 25 °C (lit.)

bulk density

0.84 g/mL

application(s)

battery manufacturing

Quality Level

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Analysis Note

XRD image is representative only; it is not lot specific

Application

Iron(II,III) oxide (Fe3O4) can be used as a heterogeneous catalyst for the Fenton type oxidation of rhodamine B. It can be used as an anode material for the fabrication of lithium-ion batteries. Fe3O4 can also be utilized in the catalysis of the oxygen reduction reaction (ORR) in the anion exchange membrane fuel cell.

General description

Iron(II,III) oxide nanopowder is a fine powder composed of iron oxide particles with a size ranging from 50-100 nm. It is also known as ferrous ferric oxide or ferrosoferric oxide. Iron(II,III) oxide is a reddish-brown, magnetic material that is stable and chemically inert. It is commonly used as a pigment in paints, coatings, and ceramics, and it is also used as a catalyst in many chemical reactions. As a nanopowder form, this iron(II,III) oxide has a large surface area, which makes it more effective as a catalyst.

Classe de stockage

11 - Combustible Solids

wgk

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves


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Certificats d'analyse (COA)

Lot/Batch Number

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  1. Which document(s) contains shelf-life or expiration date information for a given product?

    If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.

  2. How do I get lot-specific information or a Certificate of Analysis?

    The lot specific COA document can be found by entering the lot number above under the "Documents" section.

  3. Is Product 637106, Iron(II,III) oxide, stabilized (coated)?

    No, product 637106 has not been coated on the surface per the supplier.

  4. What is the particle sizeof Product 637106, Iron(II,III) oxide?

    Average particle sizes are 50-100 nm.

  5. How can the nanopowder Iron(II,III) oxide, Product 637106, be dispersed in an aqueous solution?

    1. It is recommended to use a neutral buffered solution (approximately pH 7). The pH of the solution is an important factor in achieving a monodispersion of the nanopowder.2. Probe-type ultrasonication is strongly recommended by the manufacturer.3. If the material is not well dispersed by ultrasonication in a neutral buffer, add a surfactant. This will wet the nanoparticle surface. Since the particles are small (less than 50 nm), they have a high surface area to volume ratio. They can therefore absorb gases such as oxygen or carbon dioxide from the air, which would decrease the dispersity of the particles. Degassing the buffer before use may help to eliminate the formation of gas bubbles.

  6. How do I find price and availability?

    There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers.

  7. What is the Department of Transportation shipping information for this product?

    Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product. 

  8. My question is not addressed here, how can I contact Technical Service for assistance?

    Ask a Scientist here.

Spark Plasma Sintered HA-Fe3O4-Based Multifunctional Magnetic Biocomposites.
Bajpai I, et al.
Journal of the American Ceramic Society. American Ceramic Society, 96(7), 2100-2108 (2013)
Fenton-like oxidation of Rhodamine B in the presence of two types of iron (II, III) oxide
Xue X, et al.
Journal of Hazardous Materials, 166(1), 407-414 (2009)
Longitudinal 3He and proton imaging of magnetite biodistribution in a rat model of instilled nanoparticles.
Al Faraj A, et al.
Magnetic Resonance in Chemistry, 59(6), 1298-1303 (2008)
Enhanced electrochemical performance of template-free carbon-coated iron (II, III) oxide hollow nanofibers as anode material for lithium-ion batteries
Im ME, et al.
Journal of Power Sources, 284(1), 392-399 (2015)
Cobalt-iron (II, III) oxide hybrid catalysis with enhanced catalytic activities for oxygen reduction in anion exchange membrane fuel cell
Wang C, et al.
Journal of Power Sources, 277(1), 147-154 (2015)

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