Cobalt Chloride Anhydrous

Cobalt Chloride Anhydrous

Blue powder
Used in medicament,agent or indicator.
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Product Details

   Cobalt Chloride is pink to red crystal, and the anhydrate is blue. Micro deliquescent, soluble in water, ethanol, ether, acetone and glycerin. An indicator for the analysis of reagents, humidity and moisture, ammonia absorbent.The cobalt chloride crystal is stable at room temperature, loses crystal water to blue when it is heated, and turns red again in humid air. The aqueous solution is heated or concentrated hydrochloric acid, chloride or organic solvent turns blue.

Formula: CoCl2
CAS No.: 7646-79-9
M.W.: 129.93
Properties: Blue powder


Assay (Co)

42.0% min 
Ni0.003% max 
Fe0.003% max 
As0.003% max
Pb0.003% max 
Cu0.003% max 
Mn0.003% max 
SO40.03% max
Water insoluble matter0.03% max


It is used in the manufacture of instruments for the production of barometers, hydrometers, wet and dry indicators, etc. The ceramic industry is used as a colorant. The paint industry is used to make paint drier. Used in animal husbandry to configure compound feed. The brewing industry is used as a beer foam stabilizer. The defense industry is used to make gas masks. Used as a catalyst in chemical reactions. In the folding chemical, it is used for spot analysis of zinc, single-breeding, and also for the production of hidden ink, cobalt chloride test paper, color-changing silica gel, and the like. Also used as an absorbent for ammonia.

Hydrogenation with other metal halides under hydrogen to form subdivided intermetallic compounds which can be used as structural materials or compounds having useful thermoelectricity, magnetic properties and oxidation resistance.

Packing: 25kg net, Paper/PE complex bags with double PE inners.

Storage: Store in a cool, well-ventilated place; prevent packaging from rupturing and damp.