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Merck
CN

203068

Chromium(III) oxide

powder, 99.9% trace metals basis

Synonym(s):

Chromia

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About This Item

Empirical Formula (Hill Notation):
Cr2O3
CAS Number:
Molecular Weight:
151.99
NACRES:
NA.55
PubChem Substance ID:
UNSPSC Code:
12352303
EC Number:
215-160-9
MDL number:
Assay:
99.9% trace metals basis
Form:
powder
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Quality Level

assay

99.9% trace metals basis

form

powder

SMILES string

O=[Cr]O[Cr]=O

InChI

1S/2Cr.3O

InChI key

QDOXWKRWXJOMAK-UHFFFAOYSA-N

General description

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.
Chromium(III) oxide is also referred to as chromic oxide. It is commonly employed as a marker in various digestion assays conducted on animals.

Application

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.
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, can be used in selective oxidation.


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Storage Class

11 - Combustible Solids

flash_point_f

Not applicable

flash_point_c

Not applicable



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Chromium Compounds
Anger G, et al.
Ullmann's Encyclopedia of Industrial Chemistry (2000)
Wang, X. et al.
Inorganic Chemistry, 37, 3252-3252 (1998)
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



Global Trade Item Number

SKUGTIN
203068-25G04061838765567
203068-5G04061838765574