Cobalt Chloride Hexahydrate 97%

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art: N/A
Formula Cl2CoH12O6
Molar mass 237.923 g/mol
CAS number 7791-13-1

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Cobalt Chloride Hexahydrate 97%$

Description

Cobalt chloride Hexahydrate is the most usually supplied form of Cobalt chloride. The hexahydrate is purple colour. Solid CoCl2·6H2O consists of the molecule trans-[CoCl2(H2O)4] and two molecules of water of crystallization. This species dissolves readily in water and alcohol. CoCl2·6H2O is deliquescent, and the anhydrous salt CoCl2 is hygroscopic. Cobalt chloride Hexahydrate have wide uses : Invisible ink; humidity and water indicator; in hygrometers; tempereture indicator in grinding; in electroplating; for painting on glass and porcelain; preparation of catalysts; fertilizer and feed additive; foam stabilizer in beer; as absorbent for military poison gas and ammonia; in manufacture of vitamin B12. Radioactive cobalt chloride, 57CoCl2 (half-life 271.79 days, pure gamma emitter) used in Mssbauer effect (nuclear clock).

Storage Information: Hygroscopic. Keep tightly closed.

Formula
Cl2CoH12O6
Molar mass
237.923 g/mol
CAS Number
7791-13-1
Density
1.920 g/cm3 at 25°C (77°F)
Purity/Grade
97%
Appearance
Violet solid
Water solubility
79 g/l at 0°C (32°F)191 g/l at 100°C (212°F)
Melting point/freezing point
86°C (186.8°F)
pH
4.9 at 20 g/l at 25°C (77°F)
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