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Cobalt(II) acetate
Chemical compound / From Wikipedia, the free encyclopedia
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Cobalt(II) acetate is the cobalt salt of acetic acid. It is commonly found as the tetrahydrate Co(CH3CO2)2·4 H2O, abbreviated Co(OAc)2·4 H2O. It is used as a catalyst.
Quick Facts Names, Identifiers ...
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Names | |
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IUPAC name
Cobalt(II) acetate | |
Identifiers | |
3D model (JSmol) |
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ChemSpider |
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ECHA InfoCard | 100.000.687 ![]() |
PubChem CID |
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UNII |
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CompTox Dashboard (EPA) |
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Properties | |
Co(C2H3O2)2 | |
Molar mass | 177.02124 g/mol (anhydrous) 249.08 g/mol (tetrahydrate) |
Appearance | Pink crystals (anhydrous) intense red crystals (tetrahydrate) |
Odor | vinegar (tetrahydrate) |
Density | 1.705 g/cm3 (tetrahydrate) |
Melting point | 140 °C (284 °F; 413 K) (tetrahydrate) |
Soluble | |
Solubility | soluble in alcohol, dilute acids, pentyl acetate (tetrahydrate) |
+11,000·10−6 cm3/mol | |
Refractive index (nD) |
1.542 (tetrahydrate) |
Hazards | |
NFPA 704 (fire diamond) | |
Lethal dose or concentration (LD, LC): | |
LD50 (median dose) |
503 mg/kg (oral, rat) |
Safety data sheet (SDS) | J.T. Baker MSDS |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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