Cobalt Chloride Hexahydrate (CoCl2*6H2O)-Crystalline

Characteristic

Cobalt chloride hexahydrate is a kind of inorganic substance, a hydrate of cobalt chloride, chemical formula is CoCl₂·6H₂O, is a red monoclinic crystal, easy deliquescence.

Chemical formula：CoCl₂·6H₂O

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

1. Used for electroplating, glass and ceramic colorant, paint drier.Manufacturing cobalt catalyst, manufacturing color change silica gel dry and wet indicator.Make invisible ink.Used as a stabilizer for beer foam.

2. Used as analytical reagent, moderate and moisture indicator, ammonia absorbent.Used for medium preparation and catalyst preparation.

3. Used as nutrient fortifier for feed.Cobalt is involved in the synthesis of vitamin B12, activation of biological enzymes, anti-aplastic anemia.

4. Used in animal husbandry to prepare complex feeds as cobalt supplements.Instrument manufacturing for the production of barometer, hydrometer, wet and dry indicators.The ceramic industry uses colouring agents.The paint industry is used to make paint dryers.

5. Used for tin plating cobalt alloy and cobalt nickel-phosphorus alloy electrolyte, can also be used as zinc plating additives, chemical cobalt plating and cobalt alloy, etc.