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.

---

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

---

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 .

---

Etymology

Origin of cinnamic acid

First recorded in 1880–85

Example Sentences

See Examples For:

cinnamic acid

On exposure they rapidly absorb cinnamic acid, two resins and water.

From The Commercial Products of the Vegetable Kingdom Considered in Their Various Uses to Man and in Their Relation to the Arts and Manufactures; Forming a Practical Treatise & Handbook of Reference for the Colonist, Manufacturer, Merchant, and Consumer, on the Cultivation, Preparation for Shipment, and Commercial Value, &c. of the Various Substances Obtained From Trees and Plants, Entering into the Husbandry of Tropical and Sub-tropical Regions, &c. by P. L. Simmonds

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 George William Septimus Piesse

It contains cinnamic acid, but not benzoic acid.

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

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

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 Roscoe Wilfred Thatcher