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637025

Sigma-Aldrich

Cobalt(II,III) oxide

nanopowder, <50 nm particle size (SEM), 99.5% trace metals basis

Sinónimos:

Cobalt tetraoxide, Cobaltic-cobaltous oxide, Tricobalt tetraoxide

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About This Item

Fórmula lineal:
~Co3O4
Número de CAS:
1308-06-1
Peso molecular:
240.80
Número MDL:
MFCD00010939
Código UNSPSC:
12352302
ID de la sustancia en PubChem:
24882820
NACRES:
NA.23

Nivel de calidad

200

Ensayo

99.5% trace metals basis

Formulario

nanopowder

superficie

40-70 m2/g , typical range

tamaño de partícula

<50 nm (SEM)

mp

895 °C (dec.) (lit.)

densidad

6.11 g/mL at 25 °C (lit.)

densidad aparente

0.57 g/mL

aplicaciones

battery manufacturing

cadena SMILES

O=[Co].O=[Co]O[Co]=O

InChI

1S/3Co.4O

Clave InChI

LBFUKZWYPLNNJC-UHFFFAOYSA-N

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Descripción general

Cobalt oxide is a p-type semiconductor thatbelongs to the normal spinel crystal structure with cubic close packing ofoxide ions. It has variable oxidation states and multiple band gapenergies (2.28eV and 1.57eV). It is paramagnetic at room temperature.

Aplicación

Cobalt(II,III) oxide nanoparticles can be used:

  • To modify the glassycarbon electrode for the detection of As(III) at nanomolar concentrationrange.
  • To prepare a robust photocatalyst along withcarbon nanospheres for dye degradation and hydrogen evolution reaction.
  • As an electrodematerial in the preparation of supercapacitors.

Pictogramas

Health hazard
GHS08

Palabra de señalización

Danger

Frases de peligro

H334,H350i,H412

Clasificaciones de peligro

Aquatic Chronic 3 - Carc. 1A Inhalation - Resp. Sens. 1

Código de clase de almacenamiento

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

Clase de riesgo para el agua (WGK)

WGK 1

Punto de inflamabilidad (°F)

Not applicable

Punto de inflamabilidad (°C)

Not applicable

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Certificados de análisis (COA)

Lot/Batch Number
MKCP7794
MKCQ1250
MKCN4294
MKCP2253
MKCN9600

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The aims of this study were to determine the levels of cobalt (Co) and chromium (Cr) ions generated in simulators from metal-on-polyethylene (MoP) and ceramic-on-polyethylene (CoP) constructs. Furthermore, we aimed to investigate the cytotoxic effect of these ion levels on

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