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933783

Sigma-Aldrich

Cobalt(II) oxide

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

Synonyme(s) :

Cobalt Monoxide, Oxocobalt, Cobaltous oxide

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About This Item

Formule linéaire :
CoO
Numéro CAS:
Poids moléculaire :
74.93
Numéro MDL:
Code UNSPSC :
12352303
Nomenclature NACRES :
NA.21

Niveau de qualité

Pureté

≥99.5% trace metals basis

Forme

nanopowder

Composition

CoO

Conditions de stockage

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

Caractéristiques du produit alternatif plus écologique

Design for Energy Efficiency
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Taille moy. des particules

50 nm

Masse volumique apparente

0.966 g/cm3

Application(s)

battery manufacturing

Autre catégorie plus écologique

Chaîne SMILES 

O=[Co]

InChI

1S/Co.O

Clé InChI

IVMYJDGYRUAWML-UHFFFAOYSA-N

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Description générale

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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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.

Pictogrammes

Skull and crossbonesHealth hazardEnvironment

Mention d'avertissement

Danger

Classification des risques

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

Code de la classe de stockage

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

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable


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Certificats d'analyse (COA)

Lot/Batch Number

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Consulter la Bibliothèque de documents

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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