Chemical Properties
2,3-Undecadione has a strong, sweet cream, warm odor with a coconut oil note. It has a sweet cream and coconut milk taste.
Definition
ChEBI: 2,3-Undecanedione is an alpha-diketone.
Preparation
By reacting 3-bromo-2-undecanone with sodium azide in diluted methanol and then boiling the resulting solution with
concentrated HCl; also from methyl nonyl ketone via the monoxime of the title material.
Taste threshold values
Taste characteristics at 2.5 ppm: aldehydic, creamy, buttery and dairy-like with waxy, rancid and fat nuances.
