A powerful sulfur-based fruity aromachemical (2,4,4-trimethyl-4,5-dihydro-3(2H)-thiophenone or similar) with a natural-smelling ripe fruit character — reminiscent of blackcurrant bud, passionfruit and guava with a green, slightly catty edge. In dilution it reads as juicy tropical fruit; overdosed it turns sharp and sulfurous.AI · claude-opus-4-7
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Perfume and Flavor Chemicals, page 1069.
Pale yellowish, oily liquid.
Practically insoluble in water, soluble in alcohol and oils.
Woody and faintly citrusy odor with some resemblance to the odor of the Ionones, but inferior tenacity.
This ketone is included in the present work as one example of a series of chemicals commonly known as the Pentiones, made commercially available almost a decade ago, but never gaining much popularity among perfumers.