Ундециленовий альдегід C-11
Aldehyde C-11 undecylenic is a name for 10-undecenal, an undecenal in which the C=C bond is at the 10-11 position. It smells citrus, waxy, fatty and aldehydic, with a green, soapy nuance.
- Type
- Складник
- Olfactive family
- Цитрусові
- Source
- Prepared from undecylenic acid (castor oil)
- Chemical class
- fatty aldehyde
Запах
Докладно
Цікавий факт
Undecylenic acid, from which this aldehyde is made, is mainly used for the production of Nylon-11 and in the treatment of fungal infections of the skin.
Отримання й хімія
Спосіб отримання
Undecylenic acid is made by pyrolysis of ricinoleic acid, which is derived from castor oil. The acid is then reduced to undecylene aldehyde, after first being converted to the acid chloride, which allows selective reduction.
- Формула
- C₁₁H₂₀O
- CAS
- 112-45-8
- Зовнішній вигляд
- colorless to pale yellow clear liquid
- Стійкість
- 293 hour(s) at 100.00 %
- Синоніми
- Undecylenic aldehyde, 10-Undecenal, Undec-10-enal, Undecylene aldehyde, 10-Undecenyl aldehyde
No IFRA Standard for the material itself (51st Amendment)
- Температура кипіння
- 98.00 to 100.00 °C. @ 3.00 mm Hg
- Температура спалаху
- 199.00 °F. TCC ( 92.78 °C. )
- Відносна густина
- 0.84000 to 0.84800 @ 25.00 °C.
- Показник заломлення
- 1.44000 to 1.44500 @ 20.00 °C.
У парфумерії
In cosmetics it serves as a masking and perfuming agent. A usage level of up to 1.0000 % in the fragrance concentrate is recommended. It is both a perfumery and a flavouring ingredient.
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