Piperonylic acid has a faint, sweet-balsamic odor reminiscent of heliotropin, with soft powdery and almond-like nuances. Very weak in isolation, it is more of a functional/precursor material than a strong odorant.AI · claude-opus-4-7
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Perfume and Flavor Chemicals, page 1151.
White crystals.
Slightly soluble in water, soluble in hot water. Poorly soluble in cold alcohol, soluble in hot alcohol. Soluble in certain oils, insoluble in most other oils.
Piperonylic acid has a faint, but very tenacious, sweet-balsamic odor with a discretely animal undertone.
The acid finds some use in face powder and cream perfumes, where tenacity and lasting powdery sweetness are often desirable.
Produced by oxidation of Heliotropine with Potassium permanganate. Also by direct oxidation from Safrole.