4-Methyl-2,3-pentanedione has a characteristic pungent odor. This
may be prepared from isonitroso methyl isobutyl ketone by treatment
with concentrated H2S04; other methods employ mesityl
oxide as the starting material.
Reported found in coffee, beer, avocado, malt and krill.
ChEBI: 4-Methyl-2,3-pentanedione is an alpha-diketone.
Prepared from isonitroso methyl isobutyl ketone by treatment with concentrated H2SO4; other methods employ mesityl
oxide as the starting material
Taste characteristics at 80 ppm: sweet, creamy, fruity, buttery, with a cooked estry nuance.
