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Cinnamaldehyde
Synonyms: 3-PHENYLPROPENAL;AKOS B004060;AKOS BBS-00003207;CINNAMIC ALDEHYDE;CINNAMALDEHYDE;CINNAMALDEHYDE, TRANS-;LABOTEST-BB LT00939010;FEMA 2286
CAS: 104-55-2
MF: C9H8O
MW: 132.16
EINECS: 203-213-9
Cinnamaldehyde is the organic compound that gives cinnamon its flavor and odor.[1] This pale yellow, viscous liquid occurs naturally in the bark of cinnamon trees and other species of the genus Cinnamomum. The essential oil of cinnamon bark is about 90% cinnamaldehyde.
Applications
As a flavorant
The most obvious application for cinnamaldehyde is as flavoring in chewing gum, ice cream, candy, and beverages; use levels range from 9 to 4900 parts per million (ppm) (that is, less than 0.5%). It is also used in some perfumes of natural, sweet, or fruity scents. Almond, apricot, butterscotch, and other aromas may partially employ the compound for their pleasant smells. Cinnamaldehyde can be used as a food adulterant; powdered beechnut husk aromatized with cinnamaldehyde can be marketed as powdered cinnamon.[6]
As an agrichemical
Cinnamaldehyde is also used as a fungicide.[7] Proven effective on over 40 different crops, cinnamaldehyde is typically applied to the root systems of plants. Its low toxicity and well-known properties make it ideal for agriculture. Cinnamaldehyde is an effective insecticide, and its scent is also known to repel animals, such as cats and dogs.[7] It has been tested as a safe and effective insecticide against mosquito larvae.[8] A concentration of 29 ppm of cinnamaldehyde kills half of Aedes aegypti mosquito larvae in 24 hours.[9] Trans-cinnamaldehyde works as a potent fumigant and practical repellant for adult mosquitos.[10]
Miscellaneous uses
Cinnamaldehyde is also known as a corrosion inhibitor for steel and other ferrous alloys in corrosive fluids. It can be used in combination with additional components such as dispersing agents, solvents and other surfactants. Its high refractive index of 1.6220 makes it a fairly safe and useful fluid for examining gemstone rough for inclusions.
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