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Nickel(II) acetate

Nickel(II) acetate is the name for the coordination compounds with the formula Ni(CH3CO2)2·x H2O where x can be 0, 2, and 4. The green tetrahydrate Ni(CH3CO2)2·4 H2O is most common. It is used for electroplating.

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Further Information

Names

Systematic IUPAC nameNickel(2+) diacetate

Identifiers

CAS Number: 373-02-4

JSmol: Interactive image

ECHA InfoCard: 100.006.147

EC Number: 239-086-1

PubChem: 9756

Properties

Chemical formula: C4H6NiO4

Molar mass: 176.78 g·mol

Appearance: Green Solid

Odor: slight acetic acid

Density: 1.798 g/cm (anhydrous)
1.744 g/cm (tetrahydrate)33

Melting point: decomposes when heated

Solubility in water: Easily soluble in cold water, hot water

Solubility: methanol

Magnetic susceptibility: +4,690.0·10 cm/mol−63

Structure

Crystal structure: monoclinic

Space group: P

Lattice constant: = 4.764, = 11.771, = 8.425 Å

Lattice volume: 471.5

Formula units: 2

Coordination geometry: distorted octahedral

Hazards

NFPA 704:

median dose: 350 mg/kg (rat, oral)
410 mg/kg (mouse, oral)

Except where otherwise noted, data are given for materials in their(at 25 °C [77 °F], 100 kPa).Except where otherwise noted, data are given for materials in their(at 25 °C [77 °F], 100 kPa).

Infobox references