Heptan-4-olid

Bezeichnung:Heptan-4-olid

CAS-Nr105-21-5

Englisch Name:4-Heptanolide

CBNumberCB8461603

SummenformelC7H12O2

Molgewicht128.17

MOL-Datei105-21-5.mol

Synonyma

Heptan-4-olid

Heptan-4-olid physikalisch-chemischer Eigenschaften

Siedepunkt	61-62 °C2 mm Hg(lit.)
Dichte	0.999 g/mL at 25 °C(lit.)
Dampfdruck	2.8hPa at 20℃
FEMA	2539 \| GAMMA-HEPTALACTONE
Brechungsindex	n20/D 1.442(lit.)
Flammpunkt	>230 °F
storage temp.	Sealed in dry,Room Temperature
Löslichkeit	Chloroform (Soluble), Methanol (Slightly)
Aggregatzustand	Oil
Farbe	Colourless
Geruch (Odor)	at 10.00 % in dipropylene glycol. sweet coconut nutty caramel tonka hay
Geruchsart	coconut
Wasserlöslichkeit	23g/L at 20℃
JECFA Number	225
BRN	109569
LogP	1 at 20℃
CAS Datenbank	105-21-5(CAS DataBase Reference)
NIST chemische Informationen	2(3H)-furanone, dihydro-5-propyl-(105-21-5)
EPA chemische Informationen	2(3H)-Furanone, dihydro-5-propyl- (105-21-5)

Sicherheit

Kennzeichnung gefährlicher	Xi
R-Sätze:	38-36/38
S-Sätze:	36-37/39-26
WGK Germany	2
RTECS-Nr.	LU3697000
HS Code	29322090
Toxizität	rabbit,LD50,skin,> 5gm/kg (5000mg/kg),Food and Chemical Toxicology. Vol. 20, Pg. 703, 1982.

Gefahreninformationscode (GHS)

4-Heptanolide Chemische Eigenschaften,Einsatz,Produktion Methoden

R-Sätze Betriebsanweisung:
R38:Reizt die Haut.
S-Sätze Betriebsanweisung:
S36:DE: Bei der Arbeit geeignete Schutzkleidung tragen.
Beschreibung
y-Heptalactone has a sweet, nut-like, caramel odor and a malty, caramel, sweet, herbaceous taste. This substance may be obtained in low yields by hydrogenation of ethyl P-furylacrylate;1 by lactoniation of heptenoic acid; also by condensation of methylacrylate butyl alcohol using a catalyst.
Chemische Eigenschaften
γ-Heptalactone has a sweet, coconut-like, caramel and a malty, caramel, sweet odor, and herbaceous taste.
Chemische Eigenschaften
Clear colorless to pale yellow liquid
Occurrence
Reported found in green tea, asparagus, beer, strawberry, peach and beef
Verwenden
Food additive.
Definition
ChEBI: Dihydro-5-propyl-2(3H)-furanone is a lactone.
synthetische
Obtained in low yields by hydrogenation of ethyl β-furylacrylate; by lactoniation of heptonic acid; also by condensation of methylacrylate butyl alcohol using a catalyst.
Aroma threshold values
Detection: 400 ppb.
Taste threshold values
Taste characteristics at 15 ppm: sweet, lactonic, creamy, coconut and coumarin, with milky and tobacco Nuances.
Synthesis Reference(s)
Journal of the American Chemical Society, 99, p. 7360, 1977 DOI: 10.1021/ja00464a048
Allgemeine Beschreibung
γ-Heptalactone is a volatile flavor compound found in mangoes, strawberries, pineapples as well as in some dairy products. It is used as a flavoring agent in the food and cosmetic industry.
Hazard
A skin irritant.

4-Heptanolide Upstream-Materialien And Downstream Produkte

Heptan-4-olid Anbieter Lieferant Produzent Hersteller Vertrieb Händler.

105-21-5, 4-Heptanolide Verwandte Suche:

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