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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
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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[1], organic contaminants[2], and magnetic nanocomposites[3], as well as biomedical applications[4].

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

FSL

Group 2: Flammable solids
Ferric powder
Hazardous rank III

JAN Code

746835-5G:
746835-BULK:
746835-VAR:

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Certificates of Analysis (COA)

Lot/Batch Number
MKCJ0621
MKBQ6627V

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Song; Hocheol;
Applied Catalysis. B, Environmental, 78(1-2), 53-60 (2008)
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
Wilson;J. L.;
Journal of Applied Physics, 95(3), 1439-1443 (2004)
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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