Cobalt Hydroxide is a rose red monoclinic or tetragonal crystal, insoluble in water, slightly amphoteric, difficult to dissolve in strong alkali, but soluble in acid and ammonium salt solution.Mainly used as a coloring agent for glass and enamel, as a raw material for other cobalt compounds, and as a desiccant for varnishes and coatings.

Formula: Co(OH)2
CAS No.: 21041-93-0
M.W.: 92.94
Properties: It is a kind of light pink powder, specific gravity 3.597, soluble in acid and ammonium salt solution, insoluble in water and alkali. It reacts with organic acids to form cobalt soap.
pecification(%):
Assay (Co) 62%
Fe 0.003max
Ni 0.003max
Zn 0.003max
Mn 0.003max
Cu 0.003max
Pb 0.003max