Этил салицилат химические свойства, назначение, производство
Описание
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.
Химические свойства
clear colourless to pale yellow liquid
Вхождение
Reported found in raspberry, tomato, currants, rum, whiskey, red wine, plum brandy, Cape gooseberry, Feijoa
fruit, papaya and scotch.
Использование
manufacture of artificial perfumes.
Подготовка
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.
Методы производства
Ethyl salicylate is found naturally in currants and strawberries
. It is manufactured commercially by the esterification
of salicylic acid with ethyl alcohol.
Общее описание
Ethyl salicylate was hydrolysed to salicylic acid by the use of an extractive electrospray ionisation (EESI) device.
использованная литература
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.
Этил салицилат препаратная продукция и сырье
сырьё
препарат