Cinnamic Acid
Molecular Formula C9H8O2
Molecular Weight 148.1586
CAS Registry Number 140-10-3
EINECS 205-398-1
Density 1.185g/cm3
Refractive index 1.616
Characters: white monoclinic prisms. A slight cinnamon flavor. Density 1.248 Melting point 135 ~ 136 ℃ Boiling point 300 ℃ Relative density 1.2475 Solubility soluble in ethanol, methanol, petroleum ether, chloroform, soluble in benzene, ether, acetone, acetic acid, carbon disulfide, and oils, insoluble in water.
Uses: It is prepared esters, spices, pharmaceutical raw materials.
flavors and fragrances:
1. Modulation apples, cherries, apples can be used as flavor, cherry flavor, fruit flavors, floral fragrance reconcile use.
2. Can be used as fragrance mixture used in soap, shampoo, detergent, daily cosmetics.
3. There is the formation of black tyrosinase inhibition effect on the UV cut off a certain role, make faded brown spots, or even disappear, they are the indispensable component of sunscreens.
4. Cinnamic acid itself is a kind of spices, incense has a good security role, often as a raw material with incense, the aroma of spices can master more volatile fragrance. A variety of cinnamic acid esters (such as A, B, C, D, etc.) can be used as fixative agent for beverages, cold drinks, candy, wine and other foods.