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266299

Sigma-Aldrich

Chromium

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

Synonym(s):

Cd

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About This Item

Empirical Formula (Hill Notation):
Cr
CAS Number:
Molecular Weight:
52.00
EC Number:
MDL number:
UNSPSC Code:
12161600
PubChem Substance ID:
NACRES:
NA.22

Quality Level

assay

≥99% trace metals basis

form

powder

reaction suitability

core: chromium
reagent type: catalyst

resistivity

12.7 μΩ-cm, 20°C

particle size

<45 μm

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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General description

Chromium is widely used as a catalyst in chemical synthesis. It is also used in the preparation of other chromium-based compounds.

Application

Chromium (Cr) powder can be used in the preparation of Cr-based nanoporous metal-organic frameworks in activated carbon. This composite is used as an adsorbent for the removal of contaminants of emerging concern (CECs) from water.

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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