Soluble in ethanol, propylene glycol and the majority of volatile oil, soluble in water and petroleum ether, insoluble in glycerin and non-volatile oil.Natural products with ester exists in the form of Peru's face cream, cinnamon leaf, hyacinth oil and Styr ax gummy, balsam, etc. Its main functions and features: 1. Medicine: the important medical raw materials. Commonly used in the synthesis of cardiovascular drugs, such as the brain and other benefits hydrochlorothiazide. The lung caused by the virus can effectively inhibit tumor; clinical for leukemia, uterine cancer, ovarian cancer, esophageal cancer and other tumors. 2. Spices: the often shared with phenylacetaldehyde, the modulation Yangshui narcissus fragrance, roses and other floral fragrance perfume perfume essential, also be used as a fixative agent, modifier. Cinnamyl alcohol is mainly used for the preparation of apricot, peach, raspberry, Li and other aromatic fragrance, cosmetics, fragrance and soap flavor, with mild, lasting and comfortable aroma, flavor elegant, and has given Hong power, used in cosmetics, fragrances and soap flavor. 3. On the food: the cinnamic alcohol is the GB 2760-96 provides for the temporary use of food spices. Mainly used for apricot, peach, raspberry, Li and other flavor. Widely used in the preparation of floral fragrance, cosmetics, fragrance and soap flavor, also used as a fixative agent. Mainly used for the preparation of strawberry, lemon, apricot, peach and other fruit-based food flavor and brandy flavor. Use in chewing gum for the 720mg/kg; baking food 33mg/kg; candy 17mg/kg; soft drinks 8.8mg/kg; cold in the 8.7mg/kg; alcohol 5.0mg/kg. 4. As intermediates in organic synthesis: can be used to prepare the cinnamon chloride, is used to prepare long-acting antagonist of the brain function of vascular contraction of the excellent benefits hydrochloride raw material, while cinnamon chloride can also be used to synthesize endogenous microbial drug resistance Naftifine and anticancer drugs toremifene. flunarizine dihydrochloride is a calcium antagonist, can also be used to synthesize cinnamic chloride. cinnamyl alcohol is also used to prepare spices Gui Gui acid ester of raw materials.