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Cobalt(II) Hydroxide or Cobaltous Hydroxide 99.9% (metals basis)

Short Description:

Cobalt(II) Hydroxide or Cobaltous Hydroxide is a highly water insoluble crystalline Cobalt source. It is a inorganic compound with the formula Co(OH)2, consisting of divalent cobalt cations Co2+and hydroxide anions HO−. Cobaltous hydroxide appears as rose-red powder, is soluble in acids and ammonium salt solutions, insoluble in water and alkalies.


Product Detail

Cobalt(II) Hydroxide

Synonym Cobaltous hydroxide, cobalt hydroxide, β-cobalt(II) hydroxide
Cas No. 21041-93-0
Chemical formula Co(OH)2
Molar mass 92.948g/mol
Appearance rose-red powder or bluish-green powder
Density 3.597g/cm3
Melting point 168°C(334°F;441K)(decomposes)
Solubility in water 3.20mg/L
Solubility product (Ksp) 1.0×10−15
Solubility soluble in acids, ammonia; insoluble in dilute alkalis

 

Cobalt(II)  Hydroxide Enterprise's  Specification

Chemical Index Min./Max. Unit Standard Typical
Co %

                  61

                 62.2

Ni %

               0.005

                 0.004

Fe %

               0.005

                  0.004

Cu %

               0.005

                  0.004

Package: 25/50 kgs fibre board drum or iron drum with plastic bags inside.

 

What is Cobalt(II) Hydroxide used for?

Cobalt(II) Hydroxide is most used as a drier for paints and varnishes and is added to lithographic printing inks to enhance their drying properties. In the preparation of other cobalt compounds and salts, it is used as a catalyst and in the manufacture of battery electrodes.


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