Nickel Chloride contains no water and hence is an anhydrous chemical compound. They are yellow-brown colour crystalline of an inorganic compound. The other names of nickel chloride are nickelous chloride, nickel(II) salt of hydrochloric acid. It is a toxic chemical that acts as an irritant when it comes in contact with mucous membranes, skin, and eyes. It is a carcinogen that is known to cause life-threatening disease like lung and nasal cancers. Let us know the chemical composition of Nickel chloride.
| Chemical formula | NiCl2 |
| Molecular weight | 129.593 g/mol (anhydrous)
237.69 g/mol (hexahydrate) |
| Density | 3.55 g/cm3Â (anhydrous)
1.92 g/cm3Â (hexahydrate) |
| Melting point | 1001 °C (anhydrous)
140 °C (hexahydrate) |
| Acidity (pKa) | 4 (hexahydrate) |
Nickel Chloride Structural Formula
Nickel Chloride is denser than water and is a mild Lewis acid. It is also used as calcium channel blocker and a hapten. The structural formula of Nickel Chloride is as shown in the diagram below.
Use Of Nickel Chloride
- It is used for electroplating of nickel onto some other metal substances.
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