cinnamic aldehyde

noun

, Chemistry.

a yellowish oil, C 9 H 8 O, having a cinnamonlike odor, used chiefly as a scent in the manufacture of flavorings and perfumes.

Besides cinnamic aldehyde the oil contains eugenol and phellandrene.

The value of the oil depends upon its aldehyde content, the chief constituent being cinnamic aldehyde.

An illustration of this rule is afforded by the two substances chloro- and bromo-cinnamic aldehyde already mentioned.

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