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Merck
CN

727970

Cobalt(II) acetylacetonate

≥99.0% (KT), powder

Synonym(s):

2,4-Pentanedione cobalt(II) derivative, Bis(2,4-pentanedionato)cobalt, Co(acac)2, Cobaltous acetylacetonate

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About This Item

Linear Formula:
Co(C5H7O2)2
CAS Number:
14024-48-7
Molecular Weight:
257.15
NACRES:
NA.22
PubChem Substance ID:
329764366
UNSPSC Code:
12161600
EC Number:
237-855-6
MDL number:
MFCD00000014

Key Documents

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Product Name

Cobalt(II) acetylacetonate, ≥99.0% (KT)

InChI

1S/2C5H8O2.Co/c2*1-4(6)3-5(2)7;/h2*3,6H,1-2H3;/q;;+2/p-2/b2*4-3-;

InChI key

UTYYEGLZLFAFDI-FDGPNNRMSA-L

SMILES string

CC(=O)\C=C(\C)O[Co]O\C(C)=C/C(C)=O

assay

≥99.0% (KT)

form

powder

reaction suitability

core: cobalt
reagent type: catalyst

particle size

≤20 mesh

mp

165-170 °C (lit.)

anion traces

chloride, bromide (as Cl)-: ≤500 mg/kg

cation traces

Ca: ≤50 mg/kg
Cd: ≤50 mg
Co: ≤50 mg/kg
Cu: ≤50 mg/kg
Fe: ≤50 mg/kg
K: ≤100 mg/kg
Na: ≤100 mg/kg
Ni: ≤50 mg/kg
Pb: ≤50 mg/kg
Zn: ≤50 mg/kg

Quality Level

100

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Application

Cobalt(II) acetylacetonate can be used as a catalyst for oxidative isocyanide insertion and catalytic cycloaddition reactions. Additionally, Co(acac)2 is also used in allylic and benzylic oxidation reactions.

Cobalt(II) acetylacetonate can be used as a catalyst for the dehydration reaction of aldoximes to synthesize nitriles.

General description

Cobalt(II) acetylacetonate is a coordination compound commonly used as a precursor to synthesize cobalt-containing materials. It can also be used as a catalyst in organic synthesis.

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Danger

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1B Inhalation - Eye Dam. 1 - 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

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
BCCN3453
BCCM6463
BCCL5364
BCCL8761
BCCH9362

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Mechanism of the Catalytic Deperoxidation of tert-Butylhydroperoxide with Cobalt (II) Acetylacetonate
Turra, N, et al.
Chemistry?A European Journal , 16(44), 13226-13235 (2010)
Surfactant-assisted low-temperature synthesis of monodispersed phase pure cubic CoO solid nanoparallelepipeds via thermal decomposition of cobalt (II) acetylacetonate
Purkayastha DD, et al.
Materials Letters, 107, 71-74 (2013)
Cobalt (II) catalyzed dehydration of aldoximes: A highly efficient practical procedure for the synthesis of nitriles
Catalysis Communications, 10(5), 716-719 (2009)
Kinjal Gandha et al.
Nanotechnology, 26(7), 075601-075601 (2015-01-23)
Ferromagnetic FeCo nanocrystals with high coercivity have been synthesized using a reductive decomposition method. The sizes and shapes of the nanocrystals were found to be dependent on reaction parameters such as the surfactant ratio, the precursor concentration and the heating
Kosuke Suzuki et al.
Dalton transactions (Cambridge, England : 2003), 44(32), 14220-14226 (2015-05-23)
Structurally well-defined hetero-pentanuclear manganese-oxide clusters {MMn4} were successfully synthesized in TBA7Hn[MMn4(OH)2(A-α-SiW9O34)2]·2H2O·C2H4Cl2 (, M = Fe(iii), Co(ii), Ni(ii), Cu(ii), Ga(iii)) by sequential introduction of metal cations into the trivacant lacunary polyoxometalates (POMs). The pentanuclear manganese-oxide cluster {Mn5} showed a small spin
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