Nickel Chloride (NiCl2)-Crystalline introduce:
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.
Molar mass：129.5994 g/mol (anhydrous);237.69 g/mol (hexahydrate)
Appearance：yellow-brown crystals deliquescent (anhydrous);green crystals (hexahydrate)
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
Nickel(II) chloride is used in electroplating, electroforming ,electroless plating, tea and coffee plantation, dye mordant. It is also used in semiconducting metal-containing polymer synthesis reactions.
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