Cinnamic acid is a natural compound with the equation C6H5CH=CHCOOH. It is a white glasslike compound that is marginally dissolvable in water, and uninhibitedly solvent in numerous natural solvents. Named an unsaturated carboxylic acid, it happens normally in various plants. It exists as both a cis and a trans isomer, albeit the last is more normal.
It is acquired from oil of cinnamon, or from resins like storax. It is likewise found in shea spread. Cinnamic acid has a nectar like smell; it and its more unstable ethyl ester (ethyl cinnamate) are flavor parts in the fundamental oil of cinnamon, in which related cinnamaldehyde is the significant constituent.