Cobalt Chloride

Formula: CoCl2

CAS NO.: 34240-80-7


Red or amaranthine crystal, easily soluble in water, soluble in ethanol, aether and propanone. Its specific gravity is 1.924. Cobalt chloride is usually supplied as the cobalt chloride hexahydrate CoCl2·6H2O, which is one of the most commonly used cobalt compounds in the laboratory. Cobalt chloride hexahydrate is deep purple in color, whereas the cobalt chloride anhydrous form is sky blue.


Drying agent for painting, absorbent for ammonia, indicator of silica gel dryer and coloring agent for electroplating and ceramics, medicine production.


Stored in cool and dry warehouse; Keep away from flame and heat.

NO Item Specification
1 Assay (as Co) 24.0 min 24.0 min
2 Water-insoluble matter 0.02 max 0.02 max
3 Sulfate (SO4) 0.03 max 0.15 max
4 Nitrate (NO3) 0.03 max 0.2 max
5 Mn 0.02 max 0.05 max
6 Fe 0.003 max 0.003 max
7 Ni 0.1 max 0.2 max
8 Zn 0.005 max 0.05 max
9 Heavy metal (as Cu) 0.005 max 0.01 max


Packaging Sizes

25kg net. Double plastic bags lined plastic woven sack.