Метил октаноа

Описание

Methyl octanoate has a powerful, winey, fruity, and orange-like odor with an oily, somewhat orange taste. Prepared from coconut fatty acids by alcoholysis in the presence of gaseous HCL.

Химические свойства

clear colorless liquid

Вхождение

Reported found in apples, apricot, orange juice, coconut, pineapple, pear, strawberry, citrus peel oils, grapes, papaya, blackberry, kohlrabi, peas, potato, tomato, clove bud, pepper, many cheeses, butter, hop oil, cognac, rum, cider, grape wines, black tea, durian (Durio zibethinus), olive, passion fruit, plum, plumcot, mushrooms, starfruit, fruit brandies, quince, soursop, wort, cherimoya, kiwifruit, mountain papaya, custard apple, nectarine, naranjilla, lamb’s lettuce, mussels, cape gooseberry, spineless monkey orange, pawpaw and rooibus tea (Aspalathus linearis)

Использование

Intermediate for caprylic acid detergents, emulsifiers, wetting agents, stabilizers, resins, lubricants, plasticizers, flavoring.

Подготовка

From coconut fatty acids by alcoholysis in the presence of gaseous HCl

Определение

ChEBI: A fatty acid methyl ester resulting from the formal condensation of the carboxy group of octanoic acid with the hydroxy group of methanol.

Общее описание

A colorless liquid. Flash point 130°F. Insoluble in water and about the same density as water. Used to make other chemicals.

Реакции воздуха и воды

Insoluble in water.

Профиль реактивности

Caprylic acid methyl ester is an ester. Esters react with acids to liberate heat along with alcohols and acids. Strong oxidizing acids may cause a vigorous reaction that is sufficiently exothermic to ignite the reaction products. Heat is also generated by the interaction of esters with caustic solutions. Flammable hydrogen is generated by mixing esters with alkali metals and hydrides.

Угроза здоровью

Inhalation or contact with material may irritate or burn skin and eyes. Fire may produce irritating, corrosive and/or toxic gases. Vapors may cause dizziness or suffocation. Runoff from fire control or dilution water may cause pollution.

Методы очистки

Pass the ester through alumina and distil it before use. [Beilstein 2 IV 986.]