Cobalt(II) chloride Hexahydrate 500g
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New
Location
South Africa
Product code
COBALT
Bob Shop ID
595560779
Cobalt(II) chloride Hexahydrate 500g
It is usually supplied as the hexahydrate CoCl26H2O, which is one of the most commonly used cobalt compounds in the lab.
Because of the cobalt chloride is used as an indicator for water in desiccants.
| Properties | |
|---|---|
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)[2] 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 () | +12,660106 cm3/mol |
| Structure | |
Crystal structure | CdCl2 structure |
Coordination geometry | hexagonal (anhydrous) monoclinic (dihydrate) Octahedral (hexahydrate) |