What is a Nickel chloride (NiCl₂)?

Nickel chloride (NiCl₂) is an inorganic compound composed of nickel and chlorine. It is most commonly found as a hexahydrate (NiCl₂·6H₂O), which appears as bright green crystals that are highly soluble in water and hygroscopic. It is widely used in electroplating, where it helps form corrosion-resistant nickel coatings on metals, making it essential for automotive and electronic industries. It also serves as a precursor for catalysts and magnetic materials, and is used in organic synthesis. Nickel chloride is toxic and may cause dermatitis or allergic reactions. Proper handling, including the use of gloves and ventilation, is critical in industrial settings to ensure safety and environmental compliance.

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