Year1
- 含量：
- ≥98%
- 包装：
- 25kg/桶
Molecular formula:
Molecular weight:
Number
Melting point: -℃
Boiling point: ℃
Relative density:.
Quality standard: enterprise standard
Product properties: white prismatic crystal.
Content:
Packing:/barrel
Physical properties: Easily soluble in hot water, glacial acetic acid, carbon disulfide, slightly soluble in cold water. Can evaporate with water vapor.
Production method: Using cinnamic acid as raw material, 3-phenylpropionic acid can be obtained by following the following two methods.
Cinnamic acid is mixed with -°C sodium hydroxide solution to form a sodium salt. After adding Raney nickel to the solution, hydrazine hydrate is slowly added dropwise. Cool to ℃ and add hydrochloric acid to 3-phenylpropionic acid.
Under stirring, slowly add sodium amalgam to the mixture of cinnamic acid and sodium hydroxide solution. The cinnamic acid is reduced to phenylpropionic acid by the generated hydrogen. Acidify the reaction mixture with hydrochloric acid, and the phenylpropionic acid will precipitate as an oily substance, which will solidify quickly, and then be recrystallized with hot water to obtain the finished product.
Usage: This product is a fixative for spices. Also used as pharmaceutical intermediates. Also used in organic synthesis.
, used in food additives, flavors and fragrances and other flavoring industries. Due to its good solubility and ability to sublime at low temperatures, it directly determines its special flavoring effect. It is widely used in foods that need to highlight aromas, such as ice cream, beverages, candies, and biscuits, to coordinate the overall flavor of flavoring products. As a This kind of base material has the functions of sweetening, flavoring, acid and bitter suppression, fishy removal, antisepsis, high temperature resistance, etc. As an antioxidant, it can prevent adverse reactions of food, extend the storage time of food, modify and balance food, and make food The flavor is more natural and pure, stable and long-lasting.
The latest raw materials for Parkinson's disease and diabetes, which are difficult diseases in the world. It can be used as an intermediate for the diabetes drug glyburide. It can also be used as an intermediate to prepare rasagiline for the treatment of Parkinson's disease.
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