Hexan-4-olid Chemische Eigenschaften,Einsatz,Produktion Methoden
R-S?tze Betriebsanweisung:
R36/37/38:Reizt die Augen, die Atmungsorgane und die Haut.
S-S?tze Betriebsanweisung:
S26:Bei Berührung mit den Augen sofort gründlich mit Wasser abspülen und Arzt konsultieren.
S36:DE: Bei der Arbeit geeignete Schutzkleidung tragen.
Beschreibung
gamma-Hexalactone has a warm, powerful, herbaceous, sweet
odor and a sweet, coumarin-caramel taste. May be prepared by
reduction of sorbic acid using Zn, Sn, or SnCl2 and concentrated
HCL in acetic acid solution at 85°C; from ethylene oxide and
sodio-malonic ester; also from propyl alcohol and methylacrylate
in the presence of di-tert-butyl peroxide.
Chemische Eigenschaften
4-Hexanolide is colorless liquid. Very slightly soluble in water,
soluble in alcohol, Propylene glycol and oils.
Occurrence
Reported found in apple juice, apricot, orange juice, guava, raisin, papaya, peach, pineapple, berries, asparagus, peas, potato, tomato, breads, cheeses, butter, milk, chicken fat, cooked beef, cooked pork, beer, cognac, grape wines, cocoa,
tea, filberts, pecans, passion fruit, Japanese plum, beans, mushroom, starfruit, mango, dried fig, prickly pear, licorice, soursop, Cape
gooseberry, nectarines, quince, pawpaw and other sources.
Verwenden
4-Hexanolide was used as curing agent for diglycidyl ether of bisphenol A with ytterbium triflate as an initiator.
Definition
4-Hexanolide is a gamma-lactone that is oxolan-2-one substituted by an ethyl group at position 5.
synthetische
By reduction of sorbic acid using Zn, Sn or SnCl2 and concentrated HCl in acetic acid solution at 85°C; from ethylene
oxide and sodio-malonic ester; also from propyl alcohol and methylacrylate in the presence of di-tert-butyl peroxide
Allgemeine Beschreibung
γ-Hexalactone is a volatile flavoring compound largely present in food and beverage products, fruits, vegetables, etc.
Hexan-4-olid Upstream-Materialien And Downstream Produkte
Upstream-Materialien
Downstream Produkte
