Nickel(II) bromide, anhydrous(NiBr2)-Crystalline introduce:
Nickel(II) bromide is the name for the inorganic compounds with the chemical formula NiBr2(H2O)x. The value of x can be 0 for the anhydrous material, as well as 2, 3, or 6 for the three known hydrate forms. The anhydrous material is a yellow-brown solid which dissolves in water to give blue-green hexahydrate (see picture).
Chemical formula: NiBr2
Molar mass: 218.53 g/mol
Appearance: yellow-brown crystals
Density: 5.098 g/cm3
Melting point: 963 °C (1,765 °F; 1,236 K) sublimes
Solubility in water: 113 g/100ml (0 °C); 122 g/100ml (10 °C); 134 g/100ml (25 °C); 144 g/100ml (40 °C); 155 g/100ml (100 °C)
Magnetic susceptibility (χ): +5600.0•10−6 cm3/mol
Nickel(II) bromide is used as a source of the bromide ion. It is an important raw material and intermediate used in synthetic chemistry. Further, it is used as a catalyst in cross-coupling reactions.It is used in the preparation of paramagnetic trans-diaquabis(N,N-diethylethylenediamine) nickel(II) bromide and diamagnetic bis(N,N-diethylethylenediamine)nickel(II) bromide.
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