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203068

Sigma-Aldrich

Chromium(III) oxide

powder, 99.9% trace metals basis

Synonyme(s) :

Chromia

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About This Item

Formule empirique (notation de Hill):
Cr2O3
Numéro CAS:
1308-38-9
Poids moléculaire :
151.99
Numéro CE :
215-160-9
Numéro MDL:
MFCD00010949
Code UNSPSC :
12352303
ID de substance PubChem :
329751897
Nomenclature NACRES :
NA.55

Pureté

99.9% trace metals basis

Forme

powder

Chaîne SMILES 

O=[Cr]O[Cr]=O

InChI

1S/2Cr.3O

Clé InChI

QDOXWKRWXJOMAK-UHFFFAOYSA-N

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Description générale

Chromium(III) oxide is also referred to as chromic oxide. It is commonly employed as a marker in various digestion assays conducted on animals.
Chromium(III) oxide is mainly used as a green pigment in paints, inks and ceramics. On a commercial scale, it is synthesized by the reduction of sodium chromate with sulfur.

Application

Chromium(III) oxide (Cr2O3) has been used as a standard for the determination of chromium content in cattle feces by employing different digestion techniques.1 It has also been employed as a digestibility marker in a study.
Used in a solid-state reaction to form the new ternary oxide, CrVMoO7, which should find application in selective oxidation. Its crystal structure was also determined.
Used in a solid-state reaction to form the new ternary oxide, CrVMoO7, can be used in selective oxidation.

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

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Chromium Compounds
Anger G, et al.
Ullmann's Encyclopedia of Industrial Chemistry (2000)
C Villaverde et al.
Poultry science, 87(3), 497-505 (2008-02-19)
An experiment was designed to assess the effect of dietary unsaturated fat inclusion level on alpha-tocopherol apparent absorption and deposition in broiler chickens at 2 ages (20 and 39 d). The dietary fat was a mixture of linseed and fish
Wang, X. et al.
Inorganic Chemistry, 37, 3252-3252 (1998)
Nien-Hsun Li et al.
Journal of hazardous materials, 198, 356-361 (2011-11-15)
The feasibility of stabilizing nickel-laden sludge by a high-temperature NiCr(2)O(4) synthesis process was investigated with different sintering temperatures, salt contents, molar ratios, and reaction atmospheres. The crystalline phases of species were investigated by using an X-ray diffraction, and the surface
Noriko Nishino et al.
Physical chemistry chemical physics : PCCP, 14(45), 15840-15848 (2012-10-24)
While many studies of heterogeneous chemistry on Cr(2)O(3) surfaces have focused on its catalytic activity, less is known about chemistry on this surface under atmospheric conditions. We report here studies of the thermal and photochemical reactions of NO(2) on Cr(2)O(3)
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