cinnamic acid

American  

noun

Chemistry.

1. a white, crystalline, water-insoluble powder, C 9 H 8 O 2 , usually obtained from cinnamon or synthesized: used chiefly in the manufacture of perfumes and medicines.

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cinnamic acid British  

/ sɪˈnæmɪk /

noun

1. a white crystalline water-insoluble weak organic acid existing in two isomeric forms; 3-phenylpropenoic acid. The trans- form occurs naturally and its esters are used in perfumery. Formula: C 6 H 5 CH:CHCOOH

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cinnamic acid Scientific  

/ sə-năm′ĭk /

1. A white crystalline organic acid obtained from cinnamon or from balsams, or made synthetically. It is used to manufacture perfumery compounds. Chemical formula: C ₉ H ₈ O ₂ .

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Etymology

Origin of cinnamic acid

First recorded in 1880–85

Example Sentences

The author has now proved that under the same conditions by which ordinary alcohol affords aldehyde, styrone affords the aldehyde of cinnamic acid, that is, oil of cinnamon.

From The Art of Perfumery And Methods of Obtaining the Odors of Plants by Piesse, George William Septimus

Indigo blue is also made from artificial amido cinnamic acid, and from artificial isatine; and these methods are of great commercial importance.

From The Gutenberg Webster's Unabridged Dictionary Section I, J, K, and L by Project Gutenberg

By the addition of diluted sulphuric acid, the aldehyde of cinnamic acid is afterwards procured pure.

From The Art of Perfumery And Methods of Obtaining the Odors of Plants by Piesse, George William Septimus

Wolff has converted this alcohol by oxidizing agents into cinnamic acid.

From The Art of Perfumery And Methods of Obtaining the Odors of Plants by Piesse, George William Septimus

It contains cinnamic acid, but not benzoic acid.

From Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 2 "Baconthorpe" to "Bankruptcy" by Various