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727970

Sigma-Aldrich

Cobalt(II) acetylacetonate

≥99.0% (KT)

Sinonimo/i:

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

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About This Item

Formula condensata:
Co(C5H7O2)2
Numero CAS:
14024-48-7
Peso molecolare:
257.15
Numero CE:
237-855-6
Numero MDL:
MFCD00000014
Codice UNSPSC:
12161600
ID PubChem:
329764366
NACRES:
NA.22

Livello qualitativo

100

Saggio

≥99.0% (KT)

Forma fisica

powder

Impiego in reazioni chimiche

core: cobalt
reagent type: catalyst

Dimensione particelle

≤20 mesh

Punto di fusione

165-170 °C (lit.)

Anioni in tracce

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

Cationi in tracce

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

Stringa SMILE

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-;
UTYYEGLZLFAFDI-FDGPNNRMSA-L

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Categorie correlate

Descrizione generale

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.

Applicazioni

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.

Avvertenze

Danger

Classi di pericolo

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

Codice della classe di stoccaggio

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

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

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Certificati d'analisi (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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