Цитраль

Sharp, lemon-bright, verbena-like. Citral (CAS 5392-40-5) is the molecule that smells most purely of lemon. Sharper than limonene, also the starting material for ionone synthesis.
- Type
- Складник
- Olfactive family
- Цитрусові
- Source
- Synthetic
- Chemical class
- aldehyde (terpenoid)
Запах
Докладно
Цікавий факт
Citral is the starting point for manufacturing ionones (violet) and vitamin A. The path from lemon to violet goes through citral: chemical reactions transform this sharp citrus aldehyde into a warm, powdery ketone.
Отримання й хімія
Спосіб отримання
Found at high levels in lemongrass, May Chang, verbena. Also produced synthetically.
- Формула
- C10H16O
- CAS
- 5392-40-5
- Ботанічна назва
- N/A — naturally found in Cymbopogon citratus (lemongrass), Litsea cubeba (May Chang), Backhousia citriodora (lemon myrtle)
- Зовнішній вигляд
- Pale yellow clear liquid with strong lemon odor
- Стійкість
- 24 hour(s) at 100.00 %
- Синоніми
- 3,7-DIMETHYL-2,6-OCTADIENAL LEMONAL
Restricted — citral is a declared fragrance allergen under EU Cosmetics Regulation (EC) No 1223/2009. IFRA sets maximum use levels depending on product category.
- Температура кипіння
- 228.00 to 229.00 °C. @ 760.00 mm Hg
- Температура спалаху
- 195.00 °F. TCC ( 90.00 °C. )
- Відносна густина
- 0.88500 to 0.89100 @ 25.00 °C.
- Показник заломлення
- 1.48600 to 1.49000 @ 20.00 °C.
У парфумерії
Top-note lemon modifier. CAS 5392-40-5. 65-85% of lemongrass oil. Sharpest lemon molecule. Also the starting material for ionone synthesis. Sensitization concerns limit leave-on use.