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MilliporeSigma

266264

Chromium

99.5%, powder, −100 mesh

Chromium

Synonym(s):

Cd

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About This Item

Empirical Formula (Hill Notation):
Cr
CAS Number:
7440-47-3
Molecular Weight:
52.00
EC Number:
231-157-5
MDL number:
MFCD00010944
UNSPSC Code:
12161600
PubChem Substance ID:
57648182
NACRES:
NA.22

Key Documents

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Product Name

Chromium, powder, 99.5%, −100 mesh

Quality Level

100

assay

99.5%

form

powder

reaction suitability

core: chromium
reagent type: catalyst

resistivity

12.7 μΩ-cm, 20°C

particle size

−100 mesh

bp

2672 °C (lit.)

mp

1857 °C (lit.)

density

7.14 g/mL at 25 °C (lit.)

SMILES string

[Cr]

InChI

1S/Cr

InChI key

VYZAMTAEIAYCRO-UHFFFAOYSA-N

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Show Differences

1 of 4

This Item
266299GF47766707GF43034105
Chromium powder, 99.5%, −100 mesh

Sigma-Aldrich

266264

Chromium

Chromium powder, ≥99% trace metals basis, <45 μm

Sigma-Aldrich

266299

Chromium

Chromium powder, max. particle size 200 micron, weight 100 g, purity 99.+%

GF47766707

Chromium

Chromium powder, max. particle size 200 micron, weight 1000 g, purity 99.+%

GF43034105

Chromium

assay

99.5%

assay

≥99% trace metals basis

assay

≥99.0%

assay

≥99.0%

reaction suitability

core: chromium, reagent type: catalyst

reaction suitability

core: chromium, reagent type: catalyst

reaction suitability

-

reaction suitability

-

form

powder

form

powder

form

powder

form

powder

Quality Level

100

Quality Level

100

Quality Level

-

Quality Level

-

density

7.14 g/mL at 25 °C (lit.)

density

7.14 g/mL at 25 °C (lit.)

density

7.14 g/mL at 25 °C (lit.)

density

7.14 g/mL at 25 °C (lit.)

bp

2672 °C (lit.)

bp

2672 °C (lit.)

bp

2672 °C (lit.)

bp

2672 °C (lit.)

Application

Chromium powder can be used in the microwave assisted synthesis of a bis(toluene)chromium boron complex, [Cr(η-C6H5CH3)2]+ (BPh4)-.[1] It can also be used in the solid-state synthesis of chromium sulfide.[2]

Storage Class

11 - Combustible Solids

wgk_germany

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
MKCT8401
MKCT1626
MKCT3849
MKCR8842
MKCS1604

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Microwave-assisted solid-state reactions involving metal powders.
GavinaWhittaker A and Michael P aMingos D
J. Chem. Soc., Dalton Trans., 12, 2073-2079 (1995)
Synthetic reactions using metal powders under microwave irradiation.
Whittaker A G and Mingos D M P
J. Chem. Soc., Dalton Trans., 21, 3967-3970 (2002)
J A J Vanoirbeek et al.
Journal of toxicology and environmental health. Part A, 66(4), 393-409 (2003-01-30)
Chromium-based catalysts are used for the synthesis of polyethylene, but little is known about the hazard and biomonitoring possibilities of this type of chromium for workers who may be occupationally exposed to such compounds. Therefore, the bioavailability and toxicokinetics of
B Seifert et al.
Journal of exposure analysis and environmental epidemiology, 10(2), 103-114 (2000-05-03)
The German Environmental Survey (GerES) is a large-scale population study which has repeatedly been carried out in Germany. GerES I was conducted in 1985/1986 followed by GerES IIa in 1990/1991 (West Germany) and GerES IIb in 1991/1992 (East Germany). GerES
H John Cooper et al.
The Journal of bone and joint surgery. American volume, 95(10), 865-872 (2013-05-17)
Femoral stems with dual-taper modularity were introduced to allow additional options for hip-center restoration independent of femoral fixation in total hip arthroplasty. Despite the increasing availability and use of these femoral stems, concerns exist about potential complications arising from the
View All Related Papers
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