Skip to Content
Merck
All Photos(1)

Key Documents

View All Documentation

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

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Empirical Formula (Hill Notation):
Fe3O4
CAS Number:
1317-61-9
Molecular Weight:
231.53
MDL number:
MFCD00011010
UNSPSC Code:
12352302
PubChem Substance ID:
329764148
NACRES:
NA.23

form

dispersion
nanoparticles

Quality Level

100

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

Looking for similar products? Visit Product Comparison Guide

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.

Storage Class Code

12 - Non Combustible Liquids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
MKCQ8680
MKCP3779
MKCM5931
MKCK5312
MKCH9469

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Magnetic resonance imaging of ultrasmall superparamagnetic iron oxide-labeled exosomes from stem cells: a new method to obtain labeled exosomes
Busato A, et al.
International journal of nanomedicine, 11(3), 2481-2481 (2016)
Magnetic gamma-Fe2O3 nanoparticles coated with poly-l-cysteine for chelation of As (III), Cu (II), Cd (II), Ni (II), Pb (II) and Zn (II)
White BR, et al.
Journal of Hazardous Materials, 161(2-3), 848-853 (2009)
Microfluidic synthesis of microfibers for magnetic-responsive controlled drug release and cell culture
Lin Y, et al.
Testing, 7(3), e33184-e33184 (2012)
Magnetic nanoparticles-a review
Indira TK and Lakshmi PK
International Journal of Pharmaceutical Sciences and Nanotechnology, 3(3), 1035-1042 (2010)
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
View All Related Papers

Articles

Nanofluids for Biomedical Applications

Currently, magnetic nanoparticles (MNPs) are attracting a lot of attention because of the possibility of many novel applications, especially in biomedical research.

Smart Nanofiber Meshes as a Local Drug Delivery Platform

Professor Mitsuhiro Ebara provides insights on several types of smart nanofiber mesh systems that have been explored for different drug delivery purposes.

Strategy for Toxicity Screening of Nanomaterials

A key challenge for nanomaterial safety assessment is the ability to handle the large number of newly engineered nanomaterials (ENMs), including developing cost-effective methods that can be used for hazard screening.

Recent Developments in Magnetic Iron Oxide Nanoparticles for Non-Invasive Bioimaging

Professor Hui Mao explores the use of superparamagnetic iron oxide nanoparticles (INOPs) that offer an alternate contrast-enhancing mechanism.

See All

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service