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Cobalt Oxide

Cobalt (II) Oxide appears as olive-green to red crystals, or greyish or black powder. Cobalt (II) Oxide is used extensively in the ceramics industry as an additive to create blue colored glazes and enamels as well as in the chemical industry for producing cobalt(II) salts.

  • Order(MOQ):

    500kg
  • Product Detail

Cobalt Tetroxide   CAS No. 1308-06-1
Cobalt Oxide         CAS No. 1307-96-6


Cobalt Oxide Properties

Cobalt oxide (II) CoO Molecular Weight: 74.94; grey-green powder; Relative Weight: 5.7~6.7; Cobalt oxide (II,III) Co3O4; Molecular Weight: 240.82; black powder, Relative Weight: 6.07; Dissolve under high temperature (1,800℃); Unable to dissolve in water but dissolvable in acid and alkaline. 


Cobalt Tetroxide & Cobalt oxide Specification

Item No. Commodity Chemical Component Particle Size
Co≥% Foreign Mat.≤(%)
Fe Ni Mn Cu Pb Ca Mg Na Zn Al
UMCT73 Cobalt Tetroxide 73 0.005 0.005 0.005 0.005 0.005 0.005 0.005 0.005 0.005 0.005 D50 ≤5 μm
UMCO72
Cobalt Oxide 72 0.02 0.02 0.02 0.02 0.02 0.02 0.02 - - - 400mesh pass≥98%

Packing: 5 pound/pot, 50 or 100kg/drum.


What is Cobalt Oxide used for?

Manufacturing of cobalt salt, colorant for pottery and glass, pigment, catalyst and nutrition for livestock.


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