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Merck
CN

933783

Cobalt(II) oxide

greener alternative

nanopowder, 50 nm avg. part. size, ≥99.5% trace metals basis

Synonym(s):

Cobalt Monoxide, Oxocobalt, Cobaltous oxide

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About This Item

Linear Formula:
CoO
CAS Number:
1307-96-6
Molecular Weight:
74.93
UNSPSC Code:
12352303
NACRES:
NA.21
MDL number:
MFCD00016031

Key Documents

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Product Name

Cobalt(II) oxide, nanopowder, 50 nm avg. part. size, ≥99.5% trace metals basis

InChI

1S/Co.O

SMILES string

O=[Co]

InChI key

IVMYJDGYRUAWML-UHFFFAOYSA-N

assay

≥99.5% trace metals basis

form

nanopowder

composition

CoO

storage condition

(Containers should be closed tightly and stored in a dry, cool and well-ventilated place.)

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avg. part. size

50 nm

bulk density

0.966 g/cm3

application(s)

battery manufacturing

greener alternative category

Enabling

Quality Level

100

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Application

Cobalt (II) oxide nanopowder is widely used in many industrial applications due to its unique physical and chemical properties. It is commonly used as a catalyst in chemical reactions such as the oxidation of hydrocarbons and the reduction of nitrogen oxides. In the field of energy storage, cobalt (II) oxide nanopowder is used in the fabrication of high-performance supercapacitors due to its high capacitance, fast charge-discharge characteristics, and excellent cycling stability. In addition, it is also used in the development of magnetic materials, including magnetic nanoparticles, and as a precursor for the synthesis of cobalt-based cathode materials for lithium-ion batteries.

General description

Our cobalt (II) oxide nanopowder is a high-quality, fine powder with an particle size of 50 nm, a high surface area, and a purity greater than 99.5% (<5000 ppm trace metals impurities). It is a dark gray powder that is stable at room temperature and has excellent chemical and thermal stability.
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Danger

Hazard Classifications

Acute Tox. 2 Inhalation - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1B Inhalation - Repr. 1B - Resp. Sens. 1B - Skin Sens. 1B

Storage Class

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Jiayu Chu et al.
Nanoscale, 11(33), 15633-15640 (2019-08-14)
In order to further enhance the performance of photocatalysts, cocatalysts are used to accelerate the photocatalytic reactions. Herein, ultrafine cobalt oxide (CoO) nanoparticles are synthesized through a novel bottom-up strategy and explored as an efficient non-noble cocatalyst to dramatically promote
Renata V Santos et al.
Scientific reports, 11(1), 21028-21028 (2021-10-27)
We herein report a comprehensive investigation on the magnetic, structural, and electric properties of CoO nanoparticles with different sizes by local inspection through hyperfine interactions measured in a wide range of temperatures (10-670 K) by using radioactive [Formula: see text]In([Formula:

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