Cobaltous sulfate heptahydrate 10026-24-1


Product Deail


Cobaltous sulfate heptahydrate
Another name】Cobalt sulfate.
Description】Red crystal or powder, relative density 1.924, melting point 96.8℃, heating to 41.5℃ becomes hexahydrate salt, 71℃ becomes monohydrate salt, 450℃ is anhydrous. Soluble in water, slightly soluble in ethanol and methanol.
Test items AR CP Other
Assay(CoSO4•7H2O) /% ≥99.5 ≥98.5 Custom
Water insolubles /% ≤0.005 ≤0.01
Chloride(Cl) /% ≤0.002 ≤0.005
Total nitrogen(N) /% ≤0.05 ≤0.05
Sodium(Na) /% ≤0.01 ≤0.05
Calcium(Ca) /% ≤0.005 ≤0.025
Manganese(Mn) /% ≤0.005 ≤0.02
Iron(Fe) /% ≤0.001 ≤0.005
Nickel(Ni) /% ≤0.01 ≤0.1
Copper(Cu) /% ≤0.001 ≤0.005
Zinc(Zn) /% ≤0.005 ≤0.02

Use】Used for analytical reagents; Glass colorant; Electroplating and alkaline battery materials; Glaze and paint drier; Cobalt-containing pigments and other raw materials for cobalt-containing products; Feed additive; Tire adhesive; Lithopone additive; It is also used in the electronics, instrumentation and metallurgical industries.