Nickel Chloride (NiCl2)-Powder

Characteristic

Nickel(II) chloride (or just nickel chloride), is the chemical compound NiCl₂. The anhydrous salt is yellow, but the more familiar hydrate NiCl₂·6H₂O is green. 

Chemical formula：NiCl₂

Molar mass：129.5994 g/mol (anhydrous)

                       237.69 g/mol (hexahydrate)

Appearance：yellow-brown crystals

                        deliquescent (anhydrous)

                        green crystals (hexahydrate)

Odor：odorless

Density：3.55 g/cm³ (anhydrous)

                1.92 g/cm³ (hexahydrate)

Melting point：1,001 °C (1,834 °F; 1,274 K) (anhydrous)

                          140 °C (hexahydrate)

Solubility in water：anhydrous 67.5 g/100 mL (25 °C) 

                                                   87.6 g/100 mL (100 °C)

                                 hexahydrate 123.8 g/100 mL (25 °C) 

                                                       160.7 g/100 mL (100 °C)

Solubility：0.8 g/100 mL (hydrazine)

                   soluble in ethylene glycol, ethanol, ammonium hydroxide

                   insoluble in ammonia, nitric acid

Application

Ammonia absorber.Tissue culture agent.Make invisible ink.The solution can be used for electroplating.