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637025

Sigma-Aldrich

Cobalt(II,III) oxide

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

Sinonimo/i:

Cobalt tetraoxide, Cobaltic-cobaltous oxide, Tricobalt tetraoxide

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About This Item

Formula condensata:
~Co3O4
Numero CAS:
1308-06-1
Peso molecolare:
240.80
Numero MDL:
MFCD00010939
Codice UNSPSC:
12352302
ID PubChem:
24882820
NACRES:
NA.23

Livello qualitativo

200

Saggio

99.5% trace metals basis

Forma fisica

nanopowder

Area superficiale

40-70 m2/g , typical range

Dimensione particelle

<50 nm (SEM)

Punto di fusione

895 °C (dec.) (lit.)

Densità

6.11 g/mL at 25 °C (lit.)

Densità bulk

0.57 g/mL

applicazioni

battery manufacturing

Stringa SMILE

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

InChI

1S/3Co.4O
LBFUKZWYPLNNJC-UHFFFAOYSA-N

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Categorie correlate

Descrizione generale

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.

Applicazioni

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.

Pittogrammi

Health hazard
GHS08

Avvertenze

Danger

Indicazioni di pericolo

H334 - H350i - H412

Classi di pericolo

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

Codice della classe di stoccaggio

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

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Elenchi normativi

Forniamo informazioni su eventuali restrizioni prevalentemente per i prodotti chimici. Per altre tipologie di prodotto siamo in grado di fornire soltanto informazioni limitate. Nessuna segnalazione significa che nessuno dei componenti è citato in un elenco. È dovere dell’utilizzatore assicurarsi che il prodotto venga impiegato in maniera sicura e a norme di legge.

EU REACH Annex XVII (Restriction List)

CAS No.

Certificati d'analisi (COA)

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