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Merck
CN

208396

Cobalt(II) acetate tetrahydrate

reagent grade

Synonym(s):

Cobaltous acetate tetrahydrate

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About This Item

Linear Formula:
(CH3COO)2Co · 4H2O
CAS Number:
6147-53-1
Molecular Weight:
249.08
UNSPSC Code:
12352103
NACRES:
NA.55
PubChem Substance ID:
329752042
EC Number:
200-755-8
Beilstein/REAXYS Number:
3731397
MDL number:
MFCD00149569
Grade:
reagent grade
Form:
powder or crystals

Key Documents

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Product Name

Cobalt(II) acetate tetrahydrate, reagent grade

InChI key

ZBYYWKJVSFHYJL-UHFFFAOYSA-L

InChI

1S/2C2H4O2.Co.4H2O/c2*1-2(3)4;;;;;/h2*1H3,(H,3,4);;4*1H2/q;;+2;;;;/p-2

SMILES string

[H]O[H].[H]O[H].[H]O[H].[H]O[H].CC(=O)O[Co]OC(C)=O

grade

reagent grade

form

powder or crystals

concentration

23.0-25.0% Co (EDTA titration)

Quality Level

100

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Application

Cobalt(II) acetate tetrahydrate may be used as a cobalt source in the synthesis of cobalt nanoparticles and cobalt oxide thin films. It may also be used to prepare cobalt(II)-aminophenyltetrazolate coordination polymer and tricobalt complexes with mixed μ-acetato and μ-pyrazolato ligands. Cobalt(II) acetate tetrahydrate enhances the reaction rate of oxidation of 1,4-dihydropyridines using hydrogen peroxide to the corresponding pyridine derivatives.
Cobalt(II) acetate tetrahydrate may be used in the preparation of [Co3(OH)2(H2O)2(aptet)4] (aptet = 4-aminophenyltetrazolate) and new tetradentate cobalt(II)-Schiff base complex.

General description

Cobalt(II) acetate tetrahydrate, commonly used as bleach and drying agent, can be produced by reacting cobalt (II) carbonate and acetic acid. It undergoes decomposition on heating up to 500°C under non-isothermal conditions. Its crystals exhibit monoclinic crystal system having space group P21/c. Cobalt(II) acetate tetrahydrate undergoes hydrothermal reaction with 1,3,5-benzenetricarboxylic acid (BTCH3) to afford Co3(BTC)2.12H2O.

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Danger

Hazard Classifications

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

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk

WGK 3

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Certificates of Analysis (COA)

Lot/Batch Number
MKDB0612
MKCX5575
MKCN1664
MKCM5407
MKCM4305

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Eagleson M
Concise Encyclopedia Chemistry, Eagleson M-Eagleson M (1994)
Chemical accuracy and precision in Rietveld analysis: The crystal structure of cobalt (II) acetate tetrahydrate.
Kaduk JA and Walt Partenheimer.
Powder Diffraction, 12(01), 27-39 (1997)
Construction of porous solids from hydrogen-bonded metal complexes of 1, 3, 5-benzenetricarboxylic acid.
Yaghi OM, et al.
Journal of the American Chemical Society, 118(38), 9096-9101 (1996)
Cobalt nanoparticles synthesis from Co(CH3COO)2 by thermal decomposition.
Shao H, et al.
Journal of magnetism and magnetic materials, 304(1), e28-e30 (2006)
Synthesis, characterization, and electrochemical behavior of a cobalt (II) salen-like complex.
Ourari A, et al.
Polyhedron, 97, 197-201 (2015)
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