2-Heptanone

2-Heptanone, also known as methyl n-amyl ketone, or Heptan-2-one, is a ketone with the molecular formula C₇H₁₄O. It is a colorless, water-white liquid with a banana-like, fruity odor.

2-Heptanone is listed by the FDA as a "food additive permitted for direct addition to food for human consumption" (21 CFR 172.515), and it occurs naturally in certain foods (e.g., beer, white bread, butter, various cheeses and potato chips).