Acetylacetone C₅H₈O₂ - p.d.a.

Acetylacetone (2,4-Pentanedione) is an organic chemical compound belonging to the group of β-diketones. It is commonly used in laboratories as an analytical reagent, as a ligand in coordination chemistry, and as a solvent in some chemical processes. It is characterized by its good solubility in organic solvents and its ability to form complexes with many metal ions.

Identification Data

• Chemical Name: Acetylacetone
• Synonyms: 2,4-Pentanedione, Pentane-2,4-dione
• Molecular Formula: C₅H₈O₂
• Molar Mass: 100.12 g/mol
• CAS Number: 123-54-6
• EC Number: 204-634-0

Physicochemical Properties

• Form: liquid
• Color: colorless to pale yellow
• Odor: characteristic, sweetish
• Melting Point: approx. -23°C
• Boiling Point: approx. 139°C
• Density (20°C): approx. 0.975 g/cm³
• Flash Point: approx. 35°C
• Autoignition Temperature: approx. 430°C
• Explosion Limits: lowerlimit: 1.5 vol%, upperlimit: 8.4 vol%.
• Solubilityin water: moderate
• Solubility: very good in ethanol, diethyl ether, chloroform

Product Specification

• Product: Acetylacetone p.d.a.
• Purity: min. 99.5%
• Residue after Evaporation: max. 0.01%.
• Water Content: max. 0.05%
• Appearance: Clear, colorless liquid

Hazard Statements (H)

• H226: Flammable liquid and vapor
• H319: Causes serious eye irritation

Precautionary Statements (P)

• P210: Keep away from heat and open flames
• P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes
• P403+P233: Store in a well-ventilated place with container tightly closed

This product is intended for laboratory, analytical, and technical purposes. Not for consumption or pharmaceutical use.