4-(2,6,6-Trimethylcyclohex-2-en-1-yl)-but-3-en-2-on Chemische Eigenschaften,Einsatz,Produktion Methoden
R-Sätze Betriebsanweisung:
R42:Sensibilisierung durch Einatmen möglich.
R36:Reizt die Augen.
R36/37/38:Reizt die Augen, die Atmungsorgane und die Haut.
S-Sätze Betriebsanweisung:
S36:DE: Bei der Arbeit geeignete Schutzkleidung tragen.
S24/25:Berührung mit den Augen und der Haut vermeiden.
S26:Bei Berührung mit den Augen sofort gründlich mit Wasser abspülen und Arzt konsultieren.
S36/37/39:Bei der Arbeit geeignete Schutzkleidung,Schutzhandschuhe und Schutzbrille/Gesichtsschutz tragen.
S27:Beschmutzte, getränkte Kleidung sofort ausziehen.
Beschreibung
α-Ionone has a characteristic violet-like odor. α-Ionone may be
prepared by condensing citral with acetone to form pseudoionone,
which is then cyclized by acid-type reagents.
Chemische Eigenschaften
clear yellow liquid
Verwenden
alpha-Ionone, is used in many floral accords. Gives a violet flower nuance to compositions, but is also used in rose, woody, amber, balsamic, and powdery fragrances. It is also used in perfumery, flavoring, and vitamin A (retinol) production for cosmetics and toiletries. beta isomer shows a less floral odor than the alpha. It has good substantivity and is used in all areas of perfumery.
Allgemeine Beschreibung
α-lonone is a C13 norterpenoid formed from the degradation of carotenoids. It is an important fragrance compound used in perfume industries due to its characteristic fine violet and rose scents. Commercially α-lonone is used in cosmetics, personal care products, detergents, etc. As a flavoring agent, it is widely used in various beverages including wine and tea.
läuterung methode
Purify α-ionone through a spinning band fractionating column. The semicarbazone has m 157-157.5o (from EtOH) and [] D +433o (c 4,
4-(2,6,6-Trimethylcyclohex-2-en-1-yl)-but-3-en-2-on Upstream-Materialien And Downstream Produkte
Upstream-Materialien
Downstream Produkte
