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634239

Sigma-Aldrich

Chromium(III) oxide

nanopowder, <100 nm particle size (TEM), 98% trace metals basis

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:
12352302
PubChem Substance ID:
24882613
NACRES:
NA.23

Assay

98% trace metals basis

form

nanopowder

particle size

<100 nm (TEM)

SMILES string

O=[Cr]O[Cr]=O

InChI

1S/2Cr.3O

InChI key

QDOXWKRWXJOMAK-UHFFFAOYSA-N

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Application

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

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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

FSL

Group 1: Oxidizing solids
Oxidation products of chromium, lead, or iodine
Hazardous rank I
1st oxidizing solid

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

634239-100G:4548173960968
634239-BULK:
634239-25G:4548173960975
634239-VAR:

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Certificates of Analysis (COA)

Lot/Batch Number
MKCQ4974
MKCM0334
MKCL7416
MKCH5862
MKCC5150

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In vitro macrophage response to nanometer-size chromium oxide particles
VanOs R, et al.
Journal of Biomedical Materials Research. Part B, Applied Biomaterials, 102(1), 149-159 (2014)
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
S E Dutton et al.
Journal of physics. Condensed matter : an Institute of Physics journal, 23(24), 246005-246005 (2011-06-01)
α-SrCr(2)O(4) has a triangular planar lattice of d(3) Cr(3+) made from edge sharing CrO(6) octahedra; the plane shows a very small orthorhombic distortion from hexagonal symmetry. With a Weiss temperature of - 596 K and a three-dimensional magnetic ordering temperature
Selvam Sangeetha et al.
Colloids and surfaces. B, Biointerfaces, 100, 36-41 (2012-07-07)
Stabilization of collagen for various applications employs chemicals such as aldehydes, metal ions, polyphenols, etc. Stability against enzymatic, thermal and mechanical degradation is required for a range of biomedical applications. The premise of this research is to explore the use
Małgorzata Wiśniewska et al.
Environmental science and pollution research international, 20(6), 3657-3669 (2012-11-07)
The lack of water is the most serious threat to humanity that leads to more efficient water and sewage treatment. Currently, many scientists are looking for new coagulants, flocculants and physicochemical methods allowing for sufficient removal of pollutants from water.
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