123-54-6

CAS Nr.:

123-54-6

Pentane-2,4-dione

EINECS Name:

Pentane-2,4-dione

204-634-0

EINECS Nr.:

204-634-0

Acetylaceton / Diacetylmethan / 2,4-Dioxopentan / 2,4-Pentandion / Hacac (als Ligand) / Diacetylmethan / 2,4-Pentandion / Hacac (als Ligand)

Synonym:

Acetylaceton / Diacetylmethan / 2,4-Dioxopentan / 2,4-Pentandion / Hacac (als Ligand) / Diacetylmethan / 2,4-Pentandion / Hacac (als Ligand)

Acetylacetone, also known by its CAS number 123-54-6, is a versatile chemical raw material that plays a significant role in various industrial and scientific applications. This organic compound is particularly known for its specific physical properties and broad applicability.

Physical Properties of Acetylacetone

Acetylacetone, also known as 2,4-pentanedione, is a colorless to slightly yellow liquid with a characteristic odor. It has a molar mass of 100.12 g/mol, a melting point of -23°C, and a boiling point of 140°C. Acetylacetone is moderately soluble in water but highly soluble in organic solvents such as ethanol, ether, and benzene. The compound exists as a keto-enol tautomer, meaning it can exist in two different forms that are in equilibrium.

Applications of Acetylacetone

Acetylacetone is commonly used as a ligand in complex chemistry. It forms stable chelate complexes with many transition metals such as iron, copper, and nickel. These complexes are used in catalysis, material science, and analytical methods for the determination of metal ions. Due to its ability to form stable and well-defined metal complexes, acetylacetone is an indispensable tool in inorganic and organic chemistry.

In the paint and coatings industry, acetylacetone serves as a solvent and stabilizer. It helps control viscosity and improve the stability of paints. Additionally, it is used as an additive in adhesives and sealants to enhance their adhesion and durability. Its good solubility and stability make acetylacetone a crucial component in many formulations.

Acetylacetone is used in the pharmaceutical industry as an intermediate in the synthesis of various active ingredients. It serves as a starting material for the production of heterocycles, which are found in many drugs. Due to its reactivity and versatility, acetylacetone is a valuable reagent in organic synthesis.

In the lubricant industry, acetylacetone is used to produce additives that improve the performance and lifespan of lubricants. These additives contribute to corrosion resistance and oxidation stability, which is particularly beneficial in high-stress machinery and engines. Acetylacetone-based additives are, therefore, a key component in modern lubricant formulations.

In summary, acetylacetone is an indispensable raw material in many industrial sectors due to its unique physical properties and versatility. Its application as a complexing agent, solvent, pharmaceutical intermediate, and additive in lubricants makes it a crucial component in modern chemical and industrial production.