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208396 Sigma-Aldrich

Cobalt(II) acetate tetrahydrate

reagent grade

Synonym: Cobaltous acetate tetrahydrate

  • CAS Number 6147-53-1

  • Linear Formula (CH3COO)2Co · 4H2O

  • Molecular Weight 249.08

  •  Beilstein/REAXYS Number 3731397

  •  EC Number 200-755-8

  •  MDL number MFCD00149569

  •  PubChem Substance ID 329752042

  •  NACRES NA.55

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Properties

Related Categories Cobalt Salts, Essential Chemicals, Research Essentials, Salts
Quality Level   100
grade   reagent grade
assay   23.0-25.0% Co basis (EDTA titration)
form   powder or crystals
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

Description

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.

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.

Packaging

1 kg in poly bottle

50, 250 g in poly bottle

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
RIDADR 
UN 3077 9 / PGIII
WGK Germany 
WGK 2
RTECS 
AG3325000

Documents

Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Protocols & Articles
Peer-Reviewed Papers
15

References

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