3-methyl-2,4-pentanedione, CAS No. 815-57-6

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815-57-6

Catalog No. EBD2205065

CAS 815-57-6

Name 3-methyl-2,4-pentanedione

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Basic Information

Synonyms: 3-methylpentane-2,4-diketone Methylacetylacetone NSC15756 2,4-Pentanedione,3-methyl-(8CI)(9CI) (3Z)-4-hydroxy-3-methylpent-3-en-2-one 2,4-pentanedione,3-methyl- 3-methylacetoacetone 3-methylacetylacetone

Molecular Formula: C6H10O2

Molecular Weight: 114.14

MDL Number: MFCD00008762

Categories: Synthetic Chemistry > Organic Building Blocks > Aldehydes and Ketones Synthetic Chemistry > Basic Synthetic Reagents > Other Basic Synthetic Reagents

Product Description:

3-Methyl-2,4-pentanedione, also known as acetylacetone methyl derivative, is a β-diketone compound. It is a colorless to pale yellow liquid with a characteristic odor. Its structure features two carbonyl groups separated by a methylene group, with an additional methyl substituent, making it a versatile chelating agent and a reactive synthon in organic synthesis. Its primary application is as a key chemical intermediate and a versatile ligand precursor. It is widely used in coordination chemistry to form stable complexes with various metal ions (e.g., Cu, Fe, Al), which are utilized as catalysts, pigments, and in materials science. In organic synthesis, it serves as a building block for heterocyclic compounds, pharmaceuticals, and agrochemicals due to its active methylene group, which readily undergoes condensation, alkylation, and cyclization reactions. Furthermore, it finds use as a solvent for resins and cellulose esters, and in the production of specialty chemicals. It requires careful handling as it is flammable and can be irritating to the skin, eyes, and respiratory system.

Physical Properties

Boiling Point: 172-174 °C(lit.)

Flash Point: 57 °C

Density: 0.981 g/mL at 25 °C(lit.)

Solubility: soluble in water

Refractivity: n20/D 1.442(lit.)

Safety Information

Packing Level: III

Hazard Category: 3

Transport Codes: 1224C

Analytical Data

Appearance: clear colourless to yellow liquid