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725331

Sigma-Aldrich

Iron oxide(II,III), magnetic nanoparticles solution

5 nm avg. part. size, 5 mg/mL in H2O

Synonym(s):
Magnetic iron oxide nanocrystals, Magnetite, Superparamagnetic iron oxide nanoparticles
Empirical Formula (Hill Notation):
Fe3O4
CAS Number:
Molecular Weight:
231.53
MDL number:
PubChem Substance ID:
NACRES:
NA.23

form

dispersion
nanoparticles

Quality Level

concentration

5 mg/mL in H2O

magnetization

>25 emu/g, at 4500Oe

particle size

4-6 nm (TEM)

avg. part. size

5 nm

density

1.00 g/mL at 25 °C

SMILES string

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

InChI

1S/3Fe.4O

InChI key

SZVJSHCCFOBDDC-UHFFFAOYSA-N

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General description

Iron oxide(II,III), magnetic nanoparticles solution is a chemically stable dispersed solution with a large surface to volume ratio. Its properties include good biocompatibility, and magnetic susceptibility (χ).
Concentration 5mg/ml includes total weight nanocrystals plus ligands.

Application

Fe3O4 magnetic nanoparticles solution can be used in a variety of biomedical applications such as drug delivery. It can also be coated for immobilization of surface atoms for chelation of metal ions.

Packaging

5 mL in glass bottle

Storage Class Code

12 - Non Combustible Liquids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

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Certificate of Origin

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