Agent Name

Cinnamic acid

CAS Number

621-82-9

Formula

C9-H8-O2

Major Category

Other Classes

Synonyms

2-Propenoic acid, 3-phenyl-; 3-Phenyl-2-propenoic acid; 3-Phenylacrylic acid; 3-Phenylpropenoic acid; Acidum cinnamylicum; Benzenepropenoic acid; Benzylideneacetic acid; Cinnamic acid (natural); Cinnamylic acid; Kyselina skoricove [Czech]; Phenylacrylic acid; Zimtsaeure [German]; [ChemIDplus] beta-Phenylacrylic acid; [Merck Index]

Category

Organic Acids

Description

Solid with a honey floral odor; [Merck Index] White crystalline solid; [Alfa Aesar MSDS]

Sources/Uses

Occurs in storax, balsam of Peru, oil of cinnamon, and coca leaves (trans isomer); Used as a fragrance and flavoring agent; [Merck Index]

Comments

A mild skin irritant; Causes gastrointestinal changes in acute oral studies of rats; [RTECS] Safe when used as a flavoring agent in food; [JECFA] An eye irritant; [Alfa Aesar MSDS] See "Hydrocinnamic acid."

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