3-Methyl-2,4-nonanedione
Impact
Working dilution
What does 3-Methyl-2,4-nonanedione smell like?
Bedoukian's own FL-841 spec sheet gives a sweet hay character reminiscent of green and black tea, with cream notes appearing at lower levels and dry green notes that carry dried herbs. Perfumer & Flavorist list BRI 841 in the 2026 fragrance range as anisic, spicy, herbal, green and lactonic, and TGSC records fruity, straw, caramel and burnt at 10% in dipropylene glycol. It is among the most powerful odorants known, an aroma determinant of tea, apricot and oxidised wine detectable at parts per trillion, with the receptor OR1A1 highly selective for it. In a formula a trace builds hay, tea and tobacco character or lends anisic-lactonic warmth to a gourmand; an overdose turns burnt and prune-like and will swallow everything around it, so weigh it only from a very dilute solution.
Use 3-Methyl-2,4-nonanedione in a formula
What else is 3-Methyl-2,4-nonanedione called?
3-Methylnonane-2,4-dione · MND · BRI 841
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