227129

Cobalt(II)-acetylacetonat

97%

• Synonym(e): 2,4-Pentandion Cobalt(II)-Derivat, Bis-(2,4-pentandionato)-cobalt, Co(acac)₂, Cobaltacetylacetonat
• Lineare Formel: Co(C₅H₇O₂)₂
• CAS-Nummer: 14024-48-7
• Molekulargewicht: 257.15
• NACRES: NA.23
• PubChem Substance ID: 24853614
• UNSPSC Code: 12352103
• EC Number: 237-855-6
• MDL number: MFCD00000014

Eigenschaften

• Quality Segment: 200
• assay: 97%
• form: powder and chunks
• reaction suitability: core: cobalt
• impurities: ≤3% water
• mp: 165-170 °C (lit.)
• 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

Beschreibung

General description

Cobalt(II)acetylacetonate (Co(acac)₂) is a coordination compound in which acentral cobalt atom is coordinated to two acetylacetonate ligands, which act asbidentate ligands. It is used in various applications such as organicsynthesis, coordination chemistry, and as a catalyst in several chemicalreactions. Additionally, Co(acac)₂ is used as a precursor in processes such aschemical vapor deposition (CVD) and laser evaporation techniques for thefabrication of thin films. It also plays a crucial role in the production ofcobalt oxide thin films, which find applications in electronics, catalysis, andother fields requiring thin film coatings.

Application

• Cobalt (II)-Catalyzed Isocyanide Insertion Reaction with Amines: Details a synthetic method for forming ureas and azaheterocycles catalyzed by Cobalt(II) acetylacetonate, applicable in pharmaceutical synthesis (Zhu et al., 2014).


• Cobalt‐Catalyzed C−H Functionalizations by Imidate Assistance: Describes a method using Cobalt(II) acetylacetonate for C-H functionalization, important for organic synthesis and material chemistry (Mei & Ackermann, 2016).


• Cobalt (II) acetylacetonate covalently anchored onto magnetic mesoporous silica nanospheres: Focuses on its use as a catalyst for epoxidation of olefins, relevant for catalysis research (Li et al., 2015).

Cobalt(II) acetylacetonate can be used:

• A precursor in the solvothermal synthesis of Co₃O₄ nanoparticles. These nanoparticles exhibit high electrochemical performance and are used as a potential supercapacitor material due to their excellent capacitance and cycling stability.
• A precursor in the preparation of Co₃O₄ nanoparticles via hydrothermal method. The resulting Co₃O₄ nanoparticles exhibit a highly-uniform mesoporous structure and tunable sizes, making them promising for CO sensing applications.
• A precursor for the growth of cobalt oxide thin films using Metal-Organic Chemical Vapor Deposition (MOCVD).

Sicherheitshinweise

• Piktogramme: GHS08,GHS05,GHS07,GHS09
• Signalwort: Danger
• Gefahrencodes: H302,H317,H318,H334,H350i,H360F,H410
• Sicherheitshinweise: P273 - P280 - P301 + P312 - P302 + P352 - P305 + P351 + P338 - P308 + P313
• 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
• Lagerklasse: 6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
• Was ist los?: WGK 3
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable
• PSA (Persönliche Schutzausrüstung): dust mask type N95 (US), Eyeshields, Gloves