Tetraethylammonium tetrachloronickelate

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Tetraethylammonium tetrachloronickelate is a blue solid salt with the formula (N(C2H5)4)2NiCl4. It consists of two tetraethylammonium cations and one tetrachloronickelate(II) anion [NiCl4]2−, which has nickel in a tetrahedral environment. The compound is paramagnetic.

Key facts:
- Formula: C16H40Cl4N2Ni; Molar mass: 461.00 g/mol; Density: 1.358 g/cm3
- Appearance: blue solid
- Structure: two Et4N+ ions balancing the [NiCl4]2− anion (tetrahedral around Ni)
- Safety: causes severe skin burns, may cause an allergic skin reaction, and may cause cancer. Handle with appropriate protection and follow proper storage and disposal guidelines.