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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:
1308-38-9
Molecular Weight:
151.99
EC Number:
215-160-9
MDL number:
MFCD00010949
UNSPSC Code:
12352303
PubChem Substance ID:
329767450
NACRES:
NA.23

form

powder

Quality Level

100

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

PRTR

Class I Designated Chemical Substances

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

769533-25G:
769533-BULK:
769533-VAR:
769533-100G:

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Certificates of Analysis (COA)

Lot/Batch Number
BCCC0312
BCBV9409
BCBX9237
BCBW2986
BCBV5466

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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)
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)
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)
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)

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