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266299

Sigma-Aldrich

Chromium

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

Synonyme(s) :

Cd

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About This Item

Formule empirique (notation de Hill):
Cr
Numéro CAS:
Poids moléculaire :
52.00
Numéro CE :
Numéro MDL:
Code UNSPSC :
12161600
ID de substance PubChem :
Nomenclature NACRES :
NA.22

Pureté

≥99% trace metals basis

Forme

powder

Pertinence de la réaction

core: chromium
reagent type: catalyst

Résistivité

12.7 μΩ-cm, 20°C

Taille des particules

<45 μm

Point d'ébullition

2672 °C (lit.)

Pf

1857 °C (lit.)

Densité

7.14 g/mL at 25 °C (lit.)

Chaîne SMILES 

[Cr]

InChI

1S/Cr

Clé InChI

VYZAMTAEIAYCRO-UHFFFAOYSA-N

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Description générale

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.

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

nwg

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

Eyeshields, Gloves, type N95 (US)


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J A J Vanoirbeek et al.
Journal of toxicology and environmental health. Part A, 66(4), 393-409 (2003-01-30)
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B Seifert et al.
Journal of exposure analysis and environmental epidemiology, 10(2), 103-114 (2000-05-03)
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In conventional photostimulable storage phosphors, the optical information written by x-ray or ultraviolet irradiation is usually read out as a visible photostimulated luminescence (PSL) signal under the stimulation of a low-energy light with appropriate wavelength. Unlike the transient PSL, here
A J Hart et al.
The Journal of bone and joint surgery. American volume, 95(8), 678-685 (2013-04-19)
Determining the relationship between clinical factors and engineering analysis of retrieved hip implants can help our understanding of the mechanism of device failure. This is particularly important for metal-on-metal hip arthroplasties because the most common cause of failure is unexplained.
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Contact dermatitis, 54(5), 233-238 (2006-05-13)
There is a great need to accurately assess skin exposure to contact allergens. We have developed a technique for assessment of skin exposure to nickel, chromium and cobalt using acid wipe sampling by cellulose wipes with 1% nitric acid. Chemical

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