Cobalt Chloride Tetrahydrate

Synonyms: Cobaltous chloride tetrahydrate

Molecular formula: CoCl2.4(H2O)


Red or amaranthine crystal, easily soluble in water, soluble in ethanol, aether and propanone. Its specific gravity is 1.924.


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


Store in a cool, ventilating place. Prevent package from breaking and deliquescing.

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. Or reagent bottle packaging.