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938203

Sigma-Aldrich

Cobalt iron oxide

new

nanoparticles, 8 nm particle size, 1 wt. % in water

Synonym(s):

CoFe2O4 nanoparticles, Cobalt ferrite nanoparticles, Cobalt diiron tetraoxide, Cobalt ferrate, Cobalt ferrite, Cobalt iron spinel

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About This Item

Empirical Formula (Hill Notation):
CoFe2O4
CAS Number:
Molecular Weight:
234.62
UNSPSC Code:
12352303

Quality Level

form

dispersion

concentration

1 wt. % in water

particle size

8 nm

bp

>1000 °C (Cobalt iron oxide)

mp

>400 °C (Cobalt iron oxide)

InChI

1S/2Co.2Fe.5O/q2*+2;2*+3;5*-2

InChI key

XNGOCNMGDFPQTP-UHFFFAOYSA-N

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General description

Our cobalt iron oxide nanoparticles are magnetic CoFe2O4 nanoparticles with an average particle size of 8 nm dispersed in a 1wt% concentration in an aqueous solution. They boast a specific magnetization of >40 emu/g.

Application

Cobalt iron oxide nanoparticles are used in many applications because of their unique electrical, magnetic, and catalytic properties coupled with high biocompatibility. Magnetic nanoferrite particles been studied for important applications in biomedical research such as magnetic resonance imaging, targeted magnetic drug delivery, cell separation, and magnetic hyperthermia Cobalt iron oxide nanoparticles can also serve as catalysts in various chemical reactions due to their high surface area and unique electronic properties. For example, they have been investigated for applications in catalytic reactions, including water splitting, carbon dioxide reduction, and organic synthesis

pictograms

Exclamation mark

signalword

Warning

hcodes

Hazard Classifications

Skin Sens. 1

Storage Class

12 - Non Combustible Liquids

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Low-Temperature Synthesis and Catalytic Activity of Cobalt Ferrite in Nitrous Oxide (N2O) Decomposition Reaction
Denisova K, et al.
Catalysts, 11(8), 889-889 (2021)
Magnetic Nanoparticles as MRI Contrast Agents
Avasthi A, et al.
Topics in Current Chemistry, 378(3), 40-40 (2020)
Applications of cobalt ferrite nanoparticles in biomedical nanotechnology
Srinivasan Y S, et al.
Nanomedicine (London, England), 13(10), 1221-1238 (2018)
Cobalt nanoparticles as a novel magnetic resonance contrast agent--relaxivities at 1.5 and 3 Tesla
Parkes M L, et al.
Contrast media & molecular imaging, 3(4), 150-156 (2008)

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