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399973

Sigma-Aldrich

Cobalt(II) acetate

99.99% trace metals basis

Synonyme(s) :

Cobalt diacetate, Cobaltous acetate, Cobaltous diacetate

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About This Item

Formule linéaire :
(CH3CO2)2Co
Numéro CAS:
71-48-7
Poids moléculaire :
177.02
Numéro CE :
200-755-8
Numéro MDL:
MFCD00008689
Code UNSPSC :
12352103
ID de substance PubChem :
24864856
Nomenclature NACRES :
NA.23

Pureté

99.99% trace metals basis

Forme

crystals and lumps
solid

Pertinence de la réaction

core: cobalt

Impuretés

≤5% water

Pf

298 °C (dec.) (lit.)

Chaîne SMILES 

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

InChI

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

Clé InChI

QAHREYKOYSIQPH-UHFFFAOYSA-L

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Description générale

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.

Application

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).

Pictogrammes

Health hazardExclamation markEnvironment
GHS08,GHS07,GHS09

Mention d'avertissement

Danger

Classification des risques

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

Code de la classe de stockage

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

Classe de danger pour l'eau (WGK)

WGK 3

Équipement de protection individuelle

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

Certificats d'analyse (COA)

Recherchez un Certificats d'analyse (COA) en saisissant le numéro de lot du produit. Les numéros de lot figurent sur l'étiquette du produit après les mots "Lot" ou "Batch".

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Consulter la Bibliothèque de documents

Xianying Han et al.
Nanomaterials (Basel, Switzerland), 8(4) (2018-04-21)
The morphology of metal oxide nanostructures influences the response of the materials in a given application. In addition to changing the composition, doping can also modify the morphology of a host nanomaterial. Herein, we determine the effect of dopant concentration
Tuning Composition and Activity of Cobalt Titanium Oxide Catalysts for the Oxygen Evolution Reaction
Linsey C. Seitz, et al.
Electrochimica Acta, 193, 240-245 (2016)
Euiyeon Jung et al.
Nature materials, 19(4), 436-442 (2020-01-15)
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
Nanoparticles-enabled low temperature growth of carbon nanofibers and their properties for supercapacitors
Rickard Andersson, et al.},
Advanced Materials Letters, 9, 444-449 (2019)
Cobalt-and Manganese-Catalyzed Direct Amination of Azoles under Mild Reaction Conditions and the Mechanistic Details
Ji Young Kim, et al.
Angewandte Chemie (International Edition in English), 122, 10095-10099 (2010)
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