Description
Cobalt sulphate:Molecular formula: CoSO4,Molecular
weight:**4.***8,Density 2.*3 ,Melting point *8 ºC
,Boiling point **5 ºC ,Water solubility **2 g/L (*0
ºC)
It is the divalent
cobalt saltof
sulfuric acid.The most common form of
cobalt sulfate are the hydrates CoSO4.7H2O and CoSO4.H2O.
Cobalt(II) sulfate and its hydrates are some of the most commonly
available salts of cobalt.
Cobalt(II) sulfate appears as red monoclinic crystals that melt
around **0 °C and become anhydrous at **0 °C. It is soluble in
water, slightly soluble in ethanol, and especially soluble in
methanol. It forms by the reaction of
metallic cobalt, its oxide, hydroxide, or carbonate with sulfuric
acid. Cobalt is obtained from ores via the sulfate in some
cases.
Cobalt(II) sulfate is used in the preparation of pigments, as well
as in the manufacture of other cobalt salts. Cobalt pigment is used
in porcelains and glass. Cobalt(II) sulfate is used in storage
batteries and electroplating baths, sympathetic inks, and as an
additive to soils and animal feeds.
