21679-46-9

Basic information

• Product Name: Cobaltic acetylacetonate
• Synonyms: 4-pentanedionato-o,o’)-tris((oc-6-11)-cobal;Cobalt triacetoacetate;Cobalt triacetylacetonate;Cobalt tris(acetylacetonate);Cobalt, tris(2,4-pentanedionato)-;Cobalt, tris(2,4-pentanedionato-O,O')-, (OC-6-11)-;Cobaltic trisacetylacetonate;Cobaltictri-acetylacetonate
• CAS NO: 21679-46-9
• Molecular Formula: C15H21CoO6
• Molecular Weight: 356.26
• EINECS: 244-527-6
• Product Categories: Catalysts for Organic Synthesis;Classes of Metal Compounds;Co (Cobalt) Compounds;Homogeneous Catalysts;Metal Complexes;Synthetic Organic Chemistry;Transition Metal Compounds;metal beta-diketonate complexes
• Mol File: 21679-46-9.mol
• Article Data: 0

Chemical Properties

• Melting Point: 210-213 °C(lit.)
• Boiling Point: 150°C 1mm
• Flash Point: 43.1oC
• Appearance: green/crystal
• Density: 1,43 g/cm3
• Vapor Pressure: 0Pa at 20℃
• Storage Temp.: Store below +30°C.
• Solubility: 3g/l
• Water Solubility: Soluble in methanol and halogenated solvents. Slightly soluble in acetone, aromatic solvents and aliphatic solvents. Insoluble i
• Sensitive: Moisture Sensitive & Hygroscopic
• Stability: Stable. Incompatible with strong oxidizing agents. May decompose on exposure to moist air or water.
• BRN: 9007210
• CAS DataBase Reference: Cobaltic acetylacetonate(CAS DataBase Reference)
• NIST Chemistry Reference: Cobaltic acetylacetonate(21679-46-9)
• EPA Substance Registry System: Cobaltic acetylacetonate(21679-46-9)

Safety Data

• Hazard Codes: Xn
• Statements: 42/43
• Safety Statements: 22-36/37-45
• WGK Germany: 3
• F: 21
• TSCA: Yes
• Hazardous Substances Data: 21679-46-9(Hazardous Substances Data)

Usage

Preparation

Cobaltic acetylacetonate is dark green crystal, soluble in most organic solvents, but insoluble in water. It can be prepared from basic cobalt carbonate (II) and acetylacetone by adding hydrogen peroxide solution under stirring.

Chemical Properties

solid

Uses

Different sources of media describe the Uses of 21679-46-9 differently. You can refer to the following data:
1. Catalyst for olefins, diens, polyesters, combustion, solid propellants; polymerization; vulcanizing; coloring for synthetic resins; deposition of metal and/or oxide as memory storage for computers; intermediate for synthesis; glass tinting.
2. Cobalt(III) 2,4-pentanedionate is used as a polymerization catalyst, vulcanizing agent, pigment in resins and glass. It is also used for the preparation of monoporphyrinates. Further, it is used in kinetic studies of iron-sulfur proteins. In addition to this, it reacts with trimethylaluminum to prepare Me(Sub>3Al/Co(acac)3.

Flammability and Explosibility

Notclassified

Purification Methods

Recrystallise it from *C6H6/pet ether and dry it in a vacuum. [Charles & Pawlikowski J Phys Chem 62 440 1938, Beilstein 1 H 783.]

InChI:InChI=1/3C4H6O3.Co/c3*1-3(5)2-4(6)7;/h3*2H2,1H3,(H,6,7);/q;;;+3/p-3