サリチル酸エチル 化學(xué)特性,用途語(yǔ),生産方法
外観
無(wú)色澄明の液體
定義
本品は、パラヒドロキシ安息香酸のエチルエステルであり、次の化學(xué)式で表される。
溶解性
水に微溶。エタノール, エーテルに可溶。エタノール及びアセトンに溶けやすく、水にほとんど溶けない。
化粧品の成分用途
防腐剤、香料
説明
Ethyl 2-hydroxdybenzoate is also known as Ethyl salicylate, which a kind of ester formed through the condensation between salicylic acid and ethanol. It can be used as a perfumery, artificial essence flavoring agent and used in cosmetics. It can also be used as analgesics, anti-inflammatory and antipyretic agents.
天然物の起源
Reported found in raspberry, tomato, currants, rum, whiskey, red wine, plum brandy, Cape gooseberry, Feijoa
fruit, papaya and scotch.
製造方法
Ethyl 2-hydroxybenzoate is prepared by esterification of salicylic acid with ethyl alcohol and concentrated H2SO4 at 100°C in the presence of aluminum sulfate; by heating to the boil an alkaline solution of salicylic acid and ethyl p-toluenesulfonate.
調(diào)製方法
Ethyl salicylate is found naturally in currants and strawberries
. It is manufactured commercially by the esterification
of salicylic acid with ethyl alcohol.
一般的な説明
Ethyl salicylate was hydrolysed to salicylic acid by the use of an extractive electrospray ionisation (EESI) device.
參考文獻(xiàn)
Sheu, Yaw-Wen, and Chein-Hsiun Tu. "Densities and viscosities of binary mixtures of ethyl acetoacetate, ethyl isovalerate, methyl benzoate, benzyl acetate, ethyl salicylate, and benzyl propionate with ethanol at T=(288.15, 298.15, 308.15, and 318.15) K." Journal of Chemical & Engineering Data 51.2 (2006): 545-553.
Filippa, Mauricio, Matías I. Sancho, and Estela Gasull. "Encapsulation of methyl and ethyl salicylates by β-cyclodextrin: HPLC, UV–vis and molecular modeling studies." Journal of pharmaceutical and biomedical analysis 48.3 (2008): 969-973.
サリチル酸エチル 上流と下流の製品情報(bào)
原材料
準(zhǔn)備製品