Synonyms:Cobalt (II) sulfate heptahydrate; sulfuric acid, cobalt (2+) salt heptahydrate
CAS NO. : 10026-24-1
EINECS No.: 233-334-2
M.F. : CoSO4 .7H2O
M.W. : 281.10
HS Code:2833299010
Properties : It is a red crystal with light brown, soluble in water and methanol, but slightly soluble in ethanol and easily effloresces in air. Its specific gravity is 1.948.
Use : As starting material for making other cobalt salts; as a drying agent for paintings, cobalt pigment and glazed colored porcelain, additive of alkaline batteries and Co source for electroplating.
Storage : Store at a dry place. Avoid heating and damp.
Packing : 25Kg woven bags lined with plastic bag(special packing can be made according to clients' requirement).
Specification ( % )
Item
Spec.
Assay (Co)
21.0 min.
Ni
0.001 max.
Cu
0.001 max.
Mn
0.001 max.
Fe
0.001max.
Zn
0.001 max.
Pb
0.001 max.
Cd
0.001 max.
As
0.001 max.
Chloride (Cl)
0.05 max.
Nitrate(NO3)
0.05max.
Insoluble in Water
0.02 max.
