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399973

Sigma-Aldrich

Cobalt(II) acetate

99.99% trace metals basis

Sinônimo(s):

Cobalt diacetate, Cobaltous acetate, Cobaltous diacetate

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About This Item

Fórmula linear:
(CH3CO2)2Co
Número CAS:
71-48-7
Peso molecular:
177.02
Número CE:
200-755-8
Número MDL:
MFCD00008689
Código UNSPSC:
12352103
ID de substância PubChem:
24864856
NACRES:
NA.23

Ensaio

99.99% trace metals basis

forma

crystals and lumps
solid

adequação da reação

core: cobalt

Impurezas

≤5% water

pf

298 °C (dec.) (lit.)

cadeia de caracteres SMILES

CC([O-])=O.[Co+2]

InChI

1S/2C2H4O2.Co/c2*1-2(3)4;/h2*1H3,(H,3,4);/q;;+2/p-2

chave InChI

QAHREYKOYSIQPH-UHFFFAOYSA-L

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Descrição geral

Cobalt(II) acetate is a crystalline compound that tends to form complexes with other molecules due to the presence of the cobalt ion. It is widely used in catalysis, nanomaterial synthesis, and electroplating. It is also used as a drying agent for paints and varnishes and as a reagent to test for the presence of acetate ions in solutions.

Aplicação

Cobalt(II) acetate can be used as:      
  • A precursor to synthesize cobalt titanium oxide catalysts for the oxygen evolution reaction.     
  • A starting material to prepare polymer stabilized Co nanocatalyst for growing carbon nanofibers.   
  • A catalyst for direct amination of azoles under mild reaction conditions.


Cobalt(II) acetate can be:   
  • Used as a cobalt source in the synthesis of Lithium cobalt oxide (LiCoO2), which is a used as a cathode material in lithium-ion batteries.  
  • Used as a precursor to synthesize cobalt oxide nanoparticles via a simple direct thermal pyrolysis process. Co3O4 nanoparticles further used as a high-capacity anode materials in lithium-ion batteries.
  • Used as an additive in the perovskite precursor solution to control the crystal growth and improve the performance of fully screen-printable hole-transport material (HTM)-free mesoporous perovskite solar cells (PSCs).

Palavra indicadora

Danger

Classificações de perigo

Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1B Inhalation - Eye Irrit. 2 - Muta. 2 - Repr. 1B - Resp. Sens. 1 - Skin Sens. 1

Código de classe de armazenamento

6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

Classe de risco de água (WGK)

WGK 3

Equipamento de proteção individual

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

Certificados de análise (COA)

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Despite the growing demand for hydrogen peroxide it is almost exclusively manufactured by the energy-intensive anthraquinone process. Alternatively, H2O2 can be produced electrochemically via the two-electron oxygen reduction reaction, although the performance of the state-of-the-art electrocatalysts is insufficient to meet
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The European journal of neuroscience, 41(10), 1276-1293 (2015-03-27)
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Owen M Williams et al.
Dalton transactions (Cambridge, England : 2003), 44(29), 13017-13029 (2015-04-14)
Reported here are the syntheses and characterization of cobaloximes that feature a bis(imino)acenaphthene (BIAN) appended ligand. The X-ray crystal structures and spectroscopy ((1)H NMR or EPR) of the complexes within the series [Co(aqdBF2)2(MeCN)2] (), [Co(aqdBF2)(MeCN)2](-) () and [Co(aqdBF2)2(MeCN)2](2-) (, )
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