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769533

Sigma-Aldrich

Chromium(III) oxide

ultra dry

Synonym(s):

Chromia

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About This Item

Empirical Formula (Hill Notation):
Cr2O3
CAS Number:
Molecular Weight:
151.99
EC Number:
MDL number:
UNSPSC Code:
12352303
PubChem Substance ID:
NACRES:
NA.23

form

powder

Quality Level

quality

ultra dry

cation traces

Al: ≤50 ppm
Ba: ≤30 ppm
Cu: ≤10 ppm
K: ≤100 ppm
Mg: ≤50 ppm
Na: ≤500 ppm
Pb: ≤20 ppm

SMILES string

O=[Cr]O[Cr]=O

InChI

1S/2Cr.3O

InChI key

QDOXWKRWXJOMAK-UHFFFAOYSA-N

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Application

Chromium oxide finds application as green pigment material. It is also used as electrode material in lithium ion batteries and as precursor for synthesis of functional ceramics and oxides.
Used in a solid-state reaction to form the new ternary oxide, CrVMoO7, can be used in selective oxidation.

Storage Class Code

11 - Combustible Solids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Investigation of Cr2O3 as Anode Materials for Lithium-Ion Batteries by Electrochemical Impedance Spectroscopy
Zhao, X., et al.
Journal of the Electrochemical Society, 162(7), A1156-A1162 (2015)
Preparation and color performance control of Cr2O3 green pigment through thermal decomposition of chromium hydroxide precursor
Zhang, HL., et al.
Materials Letters, 117, 244-247 (2014)
Magnetic and microstructural properties of LiCrO2.Cr2O3 system by doping of the boron ions
Demirel, S., et al.
J. Mater. Sci., 26(11), 9178-9184 (2015)
Effects on dielectric and magnetic properties of Cr-doped Bi0.9Ba0.1Fe1-xCrxO3 ceramic
Li, Q., et al.
Journal of Materials Science: Materials in Electronics, 26(11), 8887-8891 (2015)

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