What is "acetylpropionyl"

Acetylpropionyl, also known as acetyl propionyl or 2,3-pentanedione, is an organic compound, more specifically a diketone.

Uses for acetylpropionyl include:

• a solvent for cellulose acetate, paints, inks, and lacquers,
• a starting material for dyes, pesticides, and drugs,
• and an flavor, with an odor described as "buttery, cheesy, sweet, nutty, fruity, creamy, caramel".