(1S)-1,3,3-Trimethylbicyclo[2.2.1]heptan-2-on

Bezeichnung:(1S)-1,3,3-Trimethylbicyclo[2.2.1]heptan-2-on

CAS-Nr4695-62-9

Englisch Name:(-)-FENCHONE

CBNumberCB9283112

SummenformelC10H16O

Molgewicht152.23

MOL-Datei4695-62-9.mol

Synonyma

(1S)-1,3,3-Trimethylbicyclo[2.2.1]heptan-2-on

(1S)-1,3,3-Trimethylbicyclo[2.2.1]heptan-2-on physikalisch-chemischer Eigenschaften

Schmelzpunkt	5-6 °C(lit.)
alpha	D20 +66.9°
Siedepunkt	192-194 °C(lit.)
Dichte	0.948 g/mL at 25 °C(lit.)
FEMA	2479 \| D-FENCHONE
Brechungsindex	n20/D 1.461(lit.)
Flammpunkt	127 °F
storage temp.	2-8°C
Löslichkeit	Chloroform (Sparingly), Methanol (Slightly)
Aggregatzustand	Liquid
Farbe	Clear colorless to pale yellow
Geruch (Odor)	at 100.00 %. camphor thuja cedarleaf herbal earthy woody
Geruchsart	balsamic
Optische Aktivität	[α]20/D +62±1°, neat
Wasserlöslichkeit	2.147g/L(25 ºC)
JECFA Number	1396
Merck	14,3968
BRN	2206555
Dielectric constant	12.0（20℃）
LogP	2.089 (est)
EPA chemische Informationen	Bicyclo[2.2.1]heptan-2-one, 1,3,3-trimethyl-, (1S,4R)- (4695-62-9)

Sicherheit

R-Sätze:	10
S-Sätze:	23-24/25
RIDADR	UN 1224 3/PG 3
WGK Germany	3
RTECS-Nr.	RB7875200
TSCA	Yes
HazardClass	3
PackingGroup	III
HS Code	29142990
Toxizität	LD50 orally in rats: 6.16 g/kg (Jenner)

Gefahreninformationscode (GHS)

(-)-FENCHONE Chemische Eigenschaften,Einsatz,Produktion Methoden

R-Sätze Betriebsanweisung:
R10:Entzündlich.
S-Sätze Betriebsanweisung:
S23:Gas/Rauch/Dampf/Aerosol nicht einatmen(geeignete Bezeichnung(en) vom Hersteller anzugeben).
S24/25:Berührung mit den Augen und der Haut vermeiden.
Beschreibung
d-Fenchone has a camphor-like odor, powerful and sweet, and a warm, somewhat bitter, burning taste. d-Fenchone is isolated from cedarleaf oil (thuja oil).
Chemische Eigenschaften
clear colorless to pale yellow liquid
Chemische Eigenschaften
d-Fenchone has a camphor-like odor, powerful and sweet and a warm, somewhat bitter, burning taste.
Occurrence
Reported found in several essential oils: Thuja plicata, Thuja occidentalis, Thuja standishii, Russian anise, fennel, a few Artemisia varieties (A frigida, A verlotorum, A santolinaefolia), Lavanda stoechas, Lavanda burmannii, and others; the highest levels are found in fennel oil (12 to 19%); two optically active forms have been isolated Also reported found in basil, caraway, cedar leaf oil, cloves, dill, licorice and thyme
Verwenden
Reference Standard in the analysis of herbal medicinal products
Verwenden
As flavor in foods; in perfumes.
Definition
ChEBI: A fenchone that has 1S,4R stereochemistry. A colourless, oily liquid found in fennel oil, it is used in perfumery and as flavour in foods.
synthetische
Isolated from cedarleaf oil (thuja oil).
Aroma threshold values
Detection: 510 ppb; aroma characteristics at 1.0%: cooling camphoreous, terpy, spicy, sweet mentholic pine-like.
Taste threshold values
Taste characteristics at 5 ppm: cooling camphoreous, with green citrus lime nuances.
Allgemeine Beschreibung
Produced and qualified by HWI pharma services GmbH.
Exact content by quantitative NMR can be found on the certificate.
läuterung methode
The oily liquid is purified by distillation in a vacuum and is very soluble in EtOH and Et2O. [Boyle et al. J Chem Soc, Chem Commun 395 1971, Hückel Justus Liebigs Ann Chem 549 186 1941, (±)-isomer: Braun & Jacob Chem Ber 66 1461 1933.] It forms two oximes, cis-oxime: m 167o (crystallises from pet ether) [] D +46.5o (c 2, EtOH), O-benzoyloxime m 81o, [] D +49o

(-)-FENCHONE Upstream-Materialien And Downstream Produkte

(1S)-1,3,3-Trimethylbicyclo[2.2.1]heptan-2-on Anbieter Lieferant Produzent Hersteller Vertrieb Händler.

4695-62-9, (-)-FENCHONE Verwandte Suche:

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