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Merck

266299

Sigma-Aldrich

Chromium

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

Sinónimos:

Cd

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About This Item

Fórmula empírica (notación de Hill):
Cr
Número de CAS:
Peso molecular:
52.00
Número CE:
Número MDL:
Código UNSPSC:
12161600
ID de la sustancia en PubChem:
NACRES:
NA.22

Análisis

≥99% trace metals basis

formulario

powder

idoneidad de la reacción

core: chromium
reagent type: catalyst

resistividad

12.7 μΩ-cm, 20°C

tamaño de partícula

<45 μm

bp

2672 °C (lit.)

mp

1857 °C (lit.)

densidad

7.14 g/mL at 25 °C (lit.)

cadena SMILES

[Cr]

InChI

1S/Cr

Clave InChI

VYZAMTAEIAYCRO-UHFFFAOYSA-N

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Descripción general

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

Aplicación

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.

Código de clase de almacenamiento

11 - Combustible Solids

Clase de riesgo para el agua (WGK)

nwg

Punto de inflamabilidad (°F)

Not applicable

Punto de inflamabilidad (°C)

Not applicable

Equipo de protección personal

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)
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
Feng Liu et al.
Scientific reports, 3, 1554-1554 (2013-03-28)
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.
Carola Lidén et al.
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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