Helional

Helional is an aldehyde used as a perfume. Its aroma is described as watery, fresh, green, ozone, cyclamen and hay.
- Type
- Складник
- Olfactive family
- Акватичні
- Source
- synthetic molecule
- Chemical class
- aldehyde
Запах
Докладно
Цікавий факт
Helional is the only one of 100 odorants that activated the human olfactory receptor OR17-40 when a mixture of 100 odorants was tested on cells carrying that receptor. Piperonal, safrole and vanillin, which resemble it in structure, did not activate the receptor.
Отримання й хімія
Спосіб отримання
Several synthetic routes exist. The most common is a crossed aldol condensation between piperonal (heliotropin) and propanal, followed by selective hydrogenation of the intermediate alkene. This produces a racemic product.
- Формула
- C₁₁H₁₂O₃
- CAS
- 1205-17-0
- Зовнішній вигляд
- Pale yellow to yellow clear oily liquid
- Стійкість
- About 60 hours on a blotter at 1 %
- Синоніми
- 2-piperonylpropanal, ocean propanal, Tropional, Heliofolal, Heliogan, Heliobouquet, MMDHCA
Restricted — IFRA Standard « alpha-Methyl-1,3-benzodioxole-5-propionaldehyde (MMDHCA) » (Amendment 49)
- Температура кипіння
- 282 °C
- Відносна густина
- 1.162 g/cm³
У парфумерії
Helional is used as a perfume in soap and laundry detergent. It is also a substance added to food as a flavoring agent or adjuvant.