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746835

Sigma-Aldrich

Iron

nanopowder, 25 nm avg. part. size, 99.5% trace metals basis

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About This Item

Linear Formula:
Fe
CAS Number:
7439-89-6
Molecular Weight:
55.85
EC Number:
231-096-4
MDL number:
MFCD00010999
UNSPSC Code:
12352302
PubChem Substance ID:
329765794
NACRES:
NA.23

Assay

99.5% trace metals basis

form

nanopowder

resistivity

9.71 μΩ-cm

avg. part. size

25 nm

bp

2750 °C (lit.)

mp

1535 °C (lit.)

density

7.86 g/mL at 25 °C (lit.)

application(s)

battery manufacturing

SMILES string

[Fe]

InChI

1S/Fe

InChI key

XEEYBQQBJWHFJM-UHFFFAOYSA-N

Application

Iron nanoparticles have been investigated for analytical applications including water purification of arsenic, organic contaminants, and magnetic nanocomposites, as well as biomedical applications.

Pictograms

Flame
GHS02

Signal Word

Warning

Hazard Statements

H228,H252

Hazard Classifications

Flam. Sol. 2 - Self-heat. 2

Storage Class Code

4.2 - Pyrophoric and self-heating hazardous materials

WGK

nwg

Flash Point(F)

69.8 °F

Flash Point(C)

21 °C

Certificates of Analysis (COA)

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Song; Hocheol;
Applied Catalysis. B, Environmental, 78(1-2), 53-60 (2008)
Wilson;J. L.;
Journal of Applied Physics, 95(3), 1439-1443 (2004)
Sushil Raj Kanel et al.
Environmental science & technology, 39(5), 1291-1298 (2005-03-25)
Nanoscale zero-valent iron (NZVI) was synthesized and tested for the removal of As(III), which is a highly toxic, mobile, and predominant arsenic species in anoxic groundwater. We used SEM-EDX, AFM, and XRD to characterize particle size, surface morphology, and corrosion
Kaori Kohara et al.
Chemical communications (Cambridge, England), 49(25), 2563-2565 (2013-02-21)
Carboxylated SiO2-coated α-Fe nanoparticles have been successfully prepared via CaH2-mediated reduction of SiO2-coated Fe3O4 nanoparticles followed by surface carboxylation. These α-Fe-based nanoparticles, which are characterized by ease of coating with additional functional groups, a large magnetization of 154 emu per

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