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Cobalt Chloride (CoCl2)-Powder

Cobalt Chloride (CoCl2)-Powder

CAS: 7646-79-9</br>Molecular Formula: CoCl2</br>Purity: 99.7%</br>Products Code: TR271700PD</br>Specification Model: - 100 mesh approx</br>Hazardous Class: Class 9</br>EINECS No.: 231-589-4</br>UN No.: UN3077</br>Package Class: PG III
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Cobalt Chloride (CoCl2)-Powder introduce:

Characteristic




Cobalt(II) chloride is an inorganic compound of cobalt and chlorine, with the formula CoCl2. It is a sky blue crystalline solid.




Chemical formula:CoCl2

Molar mass:129.839 g/mol (anhydrous)

                      165.87 g/mol (dihydrate)

                      237.93 g/mol (hexahydrate)

Appearance:blue crystals (anhydrous)

                       violet-blue (dihydrate)

                       rose red crystals (hexahydrate)

Density:3.356 g/cm3 (anhydrous)

                2.477 g/cm3 (dihydrate)

                1.924 g/cm3 (hexahydrate)

Melting point:726 °C (1,339 °F; 999 K) ±2 (anhydrous)

                          140 °C (monohydrate)

                          100 °C (dihydrate)

                          86 °C (hexahydrate)

Boiling point:1,049 °C (1,920 °F; 1,322 K)

Solubility in water:43.6 g/100 mL (0 °C)

                                 45 g/100 mL (7 °C)

                                 52.9 g/100 mL (20 °C)

                                 105 g/100 mL (96 °C)

Solubility:38.5 g/100 mL (methanol)

                   8.6 g/100 mL (acetone)

                   soluble in ethanol, pyridine, glycerol

Magnetic susceptibility (χ):+12,660·10−6 cm3/mol




Application




Because of the ease of the hydration/dehydration reaction, and the resulting color change, cobalt chloride is used as an indicator for water in desiccants.




Niche uses of cobalt chloride include its role in organic synthesis and electroplating objects with cobalt metal.

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