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403024

Sigma-Aldrich

Cobalt(II) acetate tetrahydrate

ACS reagent, ≥98.0%

Synonym(s):

Cobaltous acetate tetrahydrate

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100 G
CZK 6,600.00

CZK 6,600.00

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100 G
CZK 6,600.00

About This Item

Linear Formula:
(CH3COO)2Co · 4H2O
CAS Number:
6147-53-1
Molecular Weight:
249.08
Beilstein:
3731397
EC Number:
200-755-8
MDL number:
MFCD00149569
UNSPSC Code:
12352103
PubChem Substance ID:
329755977
NACRES:
NB.24
Assay:
≥98.0%
98.0-102.0% (ACS specification)
grade:
ACS reagent
form:
crystalline powder
granular

CZK 6,600.00

Please contact Customer Service for Availability
Request a Bulk Order

grade

ACS reagent

Quality Level

200

Assay

≥98.0%
98.0-102.0% (ACS specification)

form

crystalline powder
granular

reaction suitability

reagent type: catalyst
core: cobalt

impurities

≤0.01% insolubles

anion traces

chloride (Cl-): ≤0.002%
nitrate (NO3-): ≤0.01%
sulfate (SO42-): ≤0.005%

cation traces

Ca: ≤0.005%
Cu: ≤0.002%
Fe: ≤0.001%
K: ≤0.01%
Mg: ≤0.005%
Na: ≤0.05%
Ni: ≤0.1%
Pb: ≤0.001%
Zn: ≤0.01%

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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Application

Cobalt(II) acetate tetrahydrate may be used in the synthesis of the following:
  • cobalt nanoparticles[1]
  • cobalt(II)–aminophenyltetrazolate coordination polymer[2]
  • tricobalt complexes with mixed μ-acetato and μ-pyrazolato ligands[3]

Signal Word

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 Code

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

WGK

WGK 3

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

EU REACH SVHC Candidate List

CAS No.

EU REACH Annex XVII (Restriction List)

CAS No.

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Certificates of Analysis (COA)

Lot/Batch Number
MKCV9682
MKCQ8288
MKCQ4239
MKCK0871
MKCG4979

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Eagleson M
Concise Encyclopedia Chemistry, 241-241 (1994)
Cobalt nanoparticles synthesis from Co(CH3COO)2 by thermal decomposition.
Shao H, et al.
Journal of magnetism and magnetic materials, 304(1), 28-30 (2006)
Mechanism of thermal decomposition of cobalt acetate tetrahydrate.
Wanjun T and Donghua C.
Chemical Papers, 61(4), 329-332 (2007)
Eagleson M
Concise Encyclopedia Chemistry, 590-590 (1994)
Tiffany M Smith et al.
Dalton transactions (Cambridge, England : 2003), 43(19), 7263-7268 (2014-04-01)
The hydrothermal reaction of cobalt(II) acetate tetrahydrate, 4-aminophenyl tetrazole and water at 135 °C for 48 hours provided orange crystals of [Co3(OH)2(H2O)2(aptet)4] (1) (aptet = 4-aminophenyltetrazolate). The three-dimensional structure of compound 1 is constructed from chains of corner- and edge-sharing
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