A warm, sweet caramel-maple aroma with roasted coffee and nutty facets. The butyrate ester softens the sharpness of the parent methylcyclopentenolone, giving a rounder, creamier, slightly fruity-buttery character that lingers into a warm balsamic dryness.AI · claude-opus-4-7
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Perfume and Flavor Chemicals, page 850.
Yellowish liquid, crystallizing in the cold.
Slightly soluble in water, soluble in propylene glycol, alcohol and many oils.
Powerful, creamy-caramellic, buttery odor of considerable tenacity.
Sweet creamy-caramellic taste, slightly burning at concentrations higher than 30 ppm.
This material has been used in flavor compositions, where a 'Cyclotene' effect is desirable in combination with a buttery-creamy effect, particularly in imitation butter, cream, vanilla, and in butterscotch, caramel, etc.
Produced by esterification of methyl cyclopentenolone with butyric acid, preferably under azeotropic conditions. The product is carefully washed acid-free.