Pentanedione, also known as 2,3-Pentanedione or Acetyl Propionyl, is a diketone with a sweet, buttery aroma, reminiscent of buttercream and caramel. It is used in flavorings and occasionally in fragrances to impart a creamy, gourmand note. In perfumery, it adds sweetness and depth, often utilized in gourmand and oriental fragrances to evoke a sense of indulgence and warmth.
Employed in gourmand and oriental fragrances to add a creamy, sweet, buttery note, enhancing the fragrance's indulgence and warmth.
IUPAC Name: pentane-2,4-dioneCAS Number: 123-54-6
Molecular Formula: C5H8O2
Molecular Weight: 100.12 g/mol
Boiling Point: 140.39 °C
Melting Point: -23.00 °C (-9.40 °F)
Class: Ketone
Use/s: Scent
Synonyms
1: Acetylacetone 2: 2,4-Pentanedione 3: Pentane-2,4-dione 4: Acetoacetone 5: ACAC 6: 2,4-Dioxopentane 7: Diacetylmethane 8: 2,4-Pentadione 9: ACETYL ACETONE
Chemist Says
Pentane-2,4-dione appears as a colorless or yellow colored liquid. Less dense than water. Vapors are heavier than air. Used as a solvent in paints and varnishes.
Scent profile
Scent profiles are inherently subjective and can significantly differ among individuals, and may also be influenced by the conditions at the time of evaluation. The information provided here is a synthesis of data from diverse sources, including books, cross-references, artificial intelligence analyses, and chemical research sites, aiming to present a comprehensive overview. We've distilled this information to highlight the most frequently observed scent profiles for each molecule or compound, offering a generalized perspective.
1: Sweet, Buttery, Creamy
2: Sweet, Buttery, Creamy
3: Pleasant odor
4: Buttery, creamy, with a sweet and caramel-like character
Flammable
Irritant