heliotropin

[hee-lee-uh-troh-pin, hee-lee-o-truh-pin]

noun

1. piperonal.

heliotropin

/ ˌhiːlɪˈɒtrəpɪn /

noun

1. another term for piperonal

Word History and Origins

Origin of heliotropin¹

First recorded in 1880–85; heliotrope + -in ²

Example Sentences

Its specific gravity at 15° C. is 0.883-0.885; refractive index at 20° C., 1.4762-1.4770; it is optically inactive, and boils at 218°-225° C. Heliotropin, which possesses the characteristic odour of heliotrope, is prepared artificially from safrol.

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Thus, many essential oils and synthetic perfumes cause the soap to darken rapidly on keeping, e.g., clove oil, cassia oil, heliotropin, vanillin.

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It has a strong characteristic odour, and occurs, associated with traces of benzoic acid and heliotropin, in the vanilla bean.

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Piperonal, an aldehyde closely allied to vanillin, is used in perfumery under the name of heliotropin and is prepared from oil of sassafras and oil of camphor.

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