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727970

Sigma-Aldrich

Cobalt(II) acetylacetonate

≥99.0% (KT)

Sinônimo(s):

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

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About This Item

Fórmula linear:
Co(C5H7O2)2
Número CAS:
14024-48-7
Peso molecular:
257.15
Número CE:
237-855-6
Número MDL:
MFCD00000014
Código UNSPSC:
12161600
ID de substância PubChem:
329764366
NACRES:
NA.22

Nível de qualidade

100

Ensaio

≥99.0% (KT)

forma

powder

adequação da reação

core: cobalt
reagent type: catalyst

tamanho de partícula

≤20 mesh

pf

165-170 °C (lit.)

traços de ânion

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

traços de cátion

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

cadeia de caracteres SMILES

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

InChI

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

chave InChI

UTYYEGLZLFAFDI-FDGPNNRMSA-L

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Descrição geral

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.

Aplicação

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.

Palavra indicadora

Danger

Classificações de perigo

Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1B Inhalation - Eye Dam. 1 - Repr. 1B - Resp. Sens. 1 - Skin Sens. 1

Código de classe de armazenamento

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

Classe de risco de água (WGK)

WGK 3

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable

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Certificados de análise (COA)

Lot/Batch Number
BCCG7424
BCCF4347
BCCC6636
BCBZ4427
BCBW0557

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Cobalt (II) catalyzed dehydration of aldoximes: A highly efficient practical procedure for the synthesis of nitriles
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