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44890

Sigma-Aldrich

Iron

puriss. p.a., carbonyl-Iron powder, low in magnesium and manganese compounds, ≥99.5% (RT)

Synonym(s):

Fe

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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:
12161600
PubChem Substance ID:
57650240
NACRES:
NA.22

grade

puriss. p.a.

assay

≥99.5% (RT)

quality

low in magnesium and manganese compounds

reaction suitability

core: iron
reagent type: catalyst

resistivity

9.71 μΩ-cm

impurities

≤0.01% total nitrogen (N)

grain size

5-9 μm

bp

2750 °C (lit.)

mp

1535 °C (lit.)

density

7.86 g/mL at 25 °C (lit.)

cation traces

As: ≤2 mg/kg
Ca: ≤50 mg/kg
Cd: ≤10 mg/kg
Co: ≤50 mg/kg
Cr: ≤10 mg/kg
Cu: ≤50 mg/kg
K: ≤50 mg/kg
Mg: ≤5 mg/kg
Mn: ≤10 mg/kg
Na: ≤50 mg/kg
Ni: ≤50 mg/kg
Pb: ≤50 mg/kg
Zn: ≤50 mg/kg

SMILES string

[Fe]

InChI

1S/Fe

InChI key

XEEYBQQBJWHFJM-UHFFFAOYSA-N

Application

Iron (carbonyl) powder has been used:
  • In the preparation of copper on iron (Cu/Fe) bimetallic catalytic system to synthesize β-aminoenones and 3,5-disubstituted pyrazoles.
  • As the main component of magnetorheological fluids.
  • To produce Fe-B-C composites from boron carbide using plasma sintering.

pictograms

Flame
GHS02

signalword

Warning

hcodes

H228,H252

Hazard Classifications

Flam. Sol. 2 - Self-heat. 2

Storage Class

4.2 - Pyrophoric and self-heating hazardous materials

wgk_germany

nwg

flash_point_f

69.8 °F

flash_point_c

21 °C

ppe

Eyeshields, Gloves, type P3 (EN 143) respirator cartridges

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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Copper on iron promoted one-pot synthesis of β-aminoenones and 3, 5-disubstituted pyrazoles.
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