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Description. Cobalt(II) chloride (CoCl 2) is the most common cobalt compound found in laboratories. The dramatic color change of blue-purple Cobalt(II) chloride to a rose color when hydrated makes CoCl 2 an excellent indicator for water in dessicants.
uniform drying. Cobalt is generally used in combination with other metals, such as Manganese, Zirconium, Calcium & Combinations of these metals. As the quantity of Cobalt Drier used is very small, it minimizes discoloration in paints & enamels as compared to other Driers.