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

See Examples For:

cinnamic acid

An isomer of cinnamic acid known as allo-cinnamic acid is also known.

From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 4 "Cincinnatus" to "Cleruchy" by Various

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

Coumarin, the anhydride of cinnamic acid,; is an example of an acid substance which is classed as an essential oil, even though it is a solid at ordinary temperatures.

From The Chemistry of Plant Life by Thatcher, Roscoe Wilfred

Some years since, Strecker has shown that styrone, which is obtained when styracine is treated with potash, is the alcohol of cinnamic acid.

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