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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

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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


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