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Cobalt(II) acetate

Cobalt(II) acetate is the cobalt salt of acetate. It is commonly found as the tetrahydrate Co(CH3CO2)2·4 H2O, abbreviated Co(OAc)2·4 H2O. It is used as a catalyst.

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Further Information

Names

IUPAC nameCobalt(II) acetate

Identifiers

CAS Number: 71-48-7

JSmol: Interactive image

ChemSpider: 6041

ECHA InfoCard: 100.000.687

PubChem: 6277

UNII: 3XC4P44U7E

Properties

Chemical formula: Co(CHO)2322

Molar mass: 177.02124 g/mol (anhydrous)
249.08 g/mol (tetrahydrate)

Appearance: Pink crystals (tetrahydrate)
intense red crystals (anhydrous)

Odor: vinegar (tetrahydrate)

Density: 1.705 g/cm (tetrahydrate)

Melting point: 140 °C (284 °F; 413 K) (tetrahydrate)

Solubility in water: Soluble

Solubility: alcohol

Magnetic susceptibility: +11,000·10 cm/mol−63

Refractive index: 1.542 (tetrahydrate)

Hazards

Safety data sheet: J.T. Baker MSDS

NFPA 704:

median dose: 503 mg/kg (oral, rat)

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