Cobalt (II) Sulphate is the Sulphate salt of divalent cobalt. Cobalt Sulphate appears as red monoclinic crystals that melt at 96.8°C and become anhydrous at 420°C. Cobalt Sulphate is soluble in water, slightly soluble in ethanol, and especially soluble in methanol. Cobalt sulfate is used the preparation of pigments, as well as in the manufacture of other cobalt salts. Cobalt Sulfate is formulated using superior chemicals. Red in appearance, our cobalt sulfate is used in various chemical reactions and syntheses.