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Key Documents

727970

Sigma-Aldrich

Cobalt(II) acetylacetonate

≥99.0% (KT)

동의어(들):

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:
Molecular Weight:
257.15
EC Number:
MDL number:
UNSPSC 코드:
12161600
PubChem Substance ID:
NACRES:
NA.22

Quality Level

분석

≥99.0% (KT)

형태

powder

반응 적합성

core: cobalt
reagent type: catalyst

입자 크기

≤20 mesh

mp

165-170 °C (lit.)

음이온 미량물

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

양이온 미량물

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

SMILES string

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-;

InChI key

UTYYEGLZLFAFDI-FDGPNNRMSA-L

유사한 제품을 찾으십니까? 방문 제품 비교 안내

일반 설명

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.

애플리케이션

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.

신호어

Danger

유해 및 위험 성명서

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 Code

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


시험 성적서(COA)

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문서 라이브러리에서 최근에 구매한 제품에 대한 문서를 찾아보세요.

문서 라이브러리 방문

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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