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437875

Sigma-Aldrich

Cobalt(II) acetate tetrahydrate

99.999% trace metals basis

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
Beilstein/REAXYS Number:
3731397
EC Number:
200-755-8
MDL number:
MFCD00149569
UNSPSC Code:
12352300
PubChem Substance ID:
24867404
NACRES:
NA.23

assay

99.999% trace metals basis

form

powder and chunks

reaction suitability

core: cobalt

SMILES string

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

InChI

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

InChI key

ZBYYWKJVSFHYJL-UHFFFAOYSA-L

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General description

Cobalt(II) acetate tetrahydrate has an octahedral structure, the central cobalt orbit is coordinated by four water molecules and two acetate ligands. Cobalt(II) acetate tetrahydrate becomes anhydrous by 140oC.

Application

Cobalt(II) acetate tetrahydrate is used to prepare complexes for examination of the properties of metals with unusual coordination geometries. It is also used as a catalyst for oxidation and esterification.

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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

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WGK 3

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Certificates of Analysis (COA)

Lot/Batch Number
MKBV3732V
MKBP3388V
MKBJ1803V
MKBD2290V
MKBD2290

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The crystal structures of nickel acetate, Ni(CH3COO)2.4H2O, and cobalt acetate, Co(CH3COO)2.4H2O
Van Niekerk JN and Schoening FRL
Acta Crystallographica, 6, 609-612 (1953)
Jaynes, B.S. et al.
Inorganic Chemistry, 34, 5735-5735 (1995)
Reagent Chemicals null
Vijayan Thamilarasan et al.
European journal of medicinal chemistry, 89, 266-278 (2014-12-03)
Metal complexes of the type Mn(bpy)2(N3)2 (1), Co(bpy)2(N3)2·3H2O (2) and Zn2(bpy)2(N3)4 (3) (Where bpy = 2,2-bipyridine) have been synthesized and characterized by elemental analysis and spectral (FT-IR, UV-vis) studies. The structure of complexes (1-3) have been determined by single crystal X-ray diffraction
Kyu-Nam Jung et al.
Scientific reports, 5, 7665-7665 (2015-01-08)
Rechargeable metal-air batteries are considered a promising energy storage solution owing to their high theoretical energy density. The major obstacles to realising this technology include the slow kinetics of oxygen reduction and evolution on the cathode (air electrode) upon battery
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