Name: Cinnamic aldehyde Molecular Formula C9H8O Molecular Weight 132.1592 CAS Registry Number 104-55-2 EINECS 203-213-9 Density 1.034g/cm3 Refractive index 1.577 Water solubility Slightly soluble Uses: It is also an important raw material of medicine, one commonly used in external medicine, compound classes.One is also an important spice commonly used in soap flavor, modulation gardenia, jasmine, lily of the valley, rose and other essences. It is used for fruit preservation, recent studies have shown that cinnamic aldehyde is used chewing gum on oral bacteria and deodorant can play a dual effect.