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266264

Sigma-Aldrich

Chromium

powder, 99.5%, −100 mesh

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

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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This Item
266299255610265330
Chromium powder, 99.5%, −100 mesh

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266264

Chromium

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

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266299

Chromium

Chromium chips, thickness ~2 mm, 99.5%

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255610

Chromium

Cadmium granular, ≥99%, 5-20 mesh

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Cadmium

form

powder

form

powder

form

chips

form

granular

reaction suitability

core: chromium, reagent type: catalyst

reaction suitability

core: chromium, reagent type: catalyst

reaction suitability

core: chromium, reagent type: catalyst

reaction suitability

core: cadmium, reagent type: catalyst

bp

2672 °C (lit.)

bp

2672 °C (lit.)

bp

2672 °C (lit.)

bp

765 °C (lit.)

mp

1857 °C (lit.)

mp

1857 °C (lit.)

mp

1857 °C (lit.)

mp

320.9 °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.)

density

8.65 g/mL at 25 °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)-. It can also be used in the solid-state synthesis of chromium sulfide.

Storage Class Code

11 - Combustible Solids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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