Cobalt(II,III) oxide

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

Tricobalt tetraoxide, Cobalt tetraoxide, Cobaltic-cobaltous oxide
Linear Formula:
CAS Number:
Molecular Weight:
MDL number:
PubChem Substance ID:

Quality Level


99.5% trace metals basis



particle size

<50 nm (TEM)

surface area

BET surf. area 40-70 m2/g (typical range)


895 °C (dec.) (lit.)


6.11 g/mL at 25 °C (lit.)

bulk density

0.57 g/mL

Featured Industry

Battery Manufacturing

SMILES string




InChI key


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Health hazard

Signal Word


Hazard Statements


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


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

WGK Germany


Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

Certificate of Origin

Cody C Wyles et al.
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Yik-Lam Cho et al.
Free radical biology & medicine, 153, 173-186 (2020-05-01)
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