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.（淡粉色粉末，比重3.597，溶于酸及硫酸溶液，不溶于水和碱，能与有机酸形成钴皂。）

指数index

Assay ( Co) 61-62%

Fe 0.005 %max

Ni 0.005%max

Zn 0.005%max

Mn 0.005%max

Cu 0.005 %max

Pb 0.005%max