Sweetening chrysanthemum P.E CAS No. : 91722-21-3

Cinnamic acid

CAS No.: 140-10-3
FEMA No.: 2288
Formula: C9H8O2
Properties:Cinnamic acid 140-10-3
Assay: 99% min.
Appearance: white or colorless powder
Odor: apricot scent
Melting point: 133°C
Boiling point: 300°C
Application:Flavors & essence oils, pharmaceutical, cosmetic ect.


Cinnamic acid is an organic compound with the formula C6H5CHCHCO2H. It is a white crystalline compound that is slightly soluble in water, and freely soluble in many organic solvents.Classified as an unsaturated carboxylic acid, it occurs naturally in a number of plants. It exists as both a cis and a trans isomer, although the latter is more common.

Cinnamic acid is used in flavors, synthetic indigo, and certain pharmaceuticals. A major use is in the manufacturing of the methyl, ethyl, and benzyl esters for the perfume industry.Cinnamic acid is a precursor to the sweetener aspartame via enzyme-catalysed amination to phenylalanine.

Cinnamic acid is also a kind of self-inhibitor produced by fungal spores to prevent germination.

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