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MilliporeSigma

727970

Sigma-Aldrich

Cobalt(II) acetylacetonate

≥99.0% (KT)

Sinónimos:

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

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25 G
$92.70
100 G
$181.00

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25 G
$92.70
100 G
$181.00

About This Item

Fórmula lineal:
Co(C5H7O2)2
Número de CAS:
Peso molecular:
257.15
Número CE:
Número MDL:
Código UNSPSC:
12161600
ID de la sustancia en PubChem:
NACRES:
NA.22

$92.70


Disponible para envío el11 de abril de 2025Detalles


Solicitar un pedido a granel

Ensayo

≥99.0% (KT)

Formulario

powder

idoneidad de la reacción

core: cobalt
reagent type: catalyst

tamaño de partícula

≤20 mesh

mp

165-170 °C (lit.)

trazas de anión

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

trazas de catión

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

cadena 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-;

Clave InChI

UTYYEGLZLFAFDI-FDGPNNRMSA-L

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Descripción general

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.[1] [2]

Aplicación

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.[3]

Palabra de señalización

Danger

Clasificaciones de peligro

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 clase de almacenamiento

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

Clase de riesgo para el agua (WGK)

WGK 3

Punto de inflamabilidad (°F)

Not applicable

Punto de inflamabilidad (°C)

Not applicable


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Certificados de análisis (COA)

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Cobalt (II) catalyzed dehydration of aldoximes: A highly efficient practical procedure for the synthesis of nitriles
Catalysis Communications, 10(5), 716-719 (2009)
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)
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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    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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