p-Menthan-3-on

Bezeichnung:p-Menthan-3-on

CAS-Nr10458-14-7

Englisch Name:Menthone

CBNumberCB3453270

SummenformelC10H18O

Molgewicht154.25

MOL-Datei10458-14-7.mol

Synonyma

p-Menthan-3-on

p-Menthan-3-on physikalisch-chemischer Eigenschaften

Schmelzpunkt	-6 °C
Siedepunkt	85-88 °C/12 mmHg (lit.)
Dichte	0.896 g/mL at 20 °C (lit.)
Brechungsindex	n20/D 1.450
FEMA	2667 \| MENTHONE
Flammpunkt	69 °C
storage temp.	Sealed in dry,Room Temperature
Löslichkeit	Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc.
Aggregatzustand	Liquid
Farbe	Clear colorless
Wichte	0.90
Geruch (Odor)	minty
Optische Aktivität	[α]/D -7.0±5°, neat
Wasserlöslichkeit	Slightly soluble in water
JECFA Number	429
BRN	774527
LogP	2.63
CAS Datenbank	10458-14-7(CAS DataBase Reference)
NIST chemische Informationen	Cyclohexanone, 5-methyl-2-(1-methylethyl)-(10458-14-7)
EPA chemische Informationen	Cyclohexanone, 5-methyl-2-(1-methylethyl)- (10458-14-7)

Sicherheit

Kennzeichnung gefährlicher	Xn
R-Sätze:	22-36-43-52/53
S-Sätze:	24/25-61-36/37-26
RIDADR	NA 1993 / PGIII
WGK Germany	3
RTECS-Nr.	OS9541500
HS Code	29142990

Gefahreninformationscode (GHS)

Menthone Chemische Eigenschaften,Einsatz,Produktion Methoden

R-Sätze Betriebsanweisung:
R22:Gesundheitsschädlich beim Verschlucken.
R36:Reizt die Augen.
R43:Sensibilisierung durch Hautkontakt möglich.
R52/53:Schädlich für Wasserorganismen, kann in Gewässern längerfristig schädliche Wirkungen haben.
S-Sätze Betriebsanweisung:
S24/25:Berührung mit den Augen und der Haut vermeiden.
S61:Freisetzung in die Umwelt vermeiden. Besondere Anweisungen einholen/Sicherheitsdatenblatt zu Rate ziehen.
S36/37:Bei der Arbeit geeignete Schutzhandschuhe und Schutzkleidung tragen.
S26:Bei Berührung mit den Augen sofort gründlich mit Wasser abspülen und Arzt konsultieren.
Chemische Eigenschaften
CLEAR COLOURLESS LIQUID
Chemische Eigenschaften
Menthone exists as two stereoisomers, trans-menthone and cis-isomenthone, each of which occurs as a pair of enantiomers, due to the two asymmetric centers present in the molecule.
Both stereoisomers occur in many essential oils, often as a single enantiomer species. A particularly high concentration (sometimes >50%) is found in oils from Mentha species.Thementhones are colorless liquids that possess a typically minty odor; the odor of isomenthone is slightly musty.They have a strong tendency to interconvert and are, therefore, difficult to obtain in high purity. Industrial products aremixtures of varying composition.
The menthones are converted into the corresponding menthols by means of hydrogenation; for example, (?)-menthone yields (+)-neomenthol and (?)-menthol.
(?)-Menthone can be obtained by distillation of dementholized cornmint oil or by oxidation of (?)-menthol (e.g., with chromic acid). Dehydrogenation of (?)- menthol (e.g., with copper chromite) yields a mixture of (?)-menthone and (+)- isomenthone.
rac-Menthone is prepared analogously to rac-menthol. However, it can also be synthesized by hydrogenation of thymol in the presence of palladium–carbon catalysts .
Menthone and isomenthone are used for synthetic peppermint oils and bases.
Verwenden
Menthone has been used in the following studies:
- To prepare the model flavor mix in a study to investigate the release of various aroma compounds in xanthan-thickened food model systems having different viscosities.
- As standard in the quantification of volatile constituents and odour-activity value (OAV) in ′Marion′ and ′Black Diamond′.
- Modified semisolid agar antifungal susceptibility method (SAAS) to investigate the anti-fungal activities of various cyclic terpenes against Fusarium verticillioides MRC 826.
Definition
ChEBI: P-menthan-3-one is a p-menthane monoterpenoid that is p-menthane substituted by an oxo group at position 3. It has a role as a plant metabolite and a volatile oil component.
Application
Menthone is used in flavor compositions, not only in Mint complexes, but in traces in fruit blends, particularly in imitation Raspberry, where it gives good lift and freshness in the otherwise oversweet composition. The concentration is normally about 5 to 50 ppm in the finished product.
Synthesis Reference(s)
The Journal of Organic Chemistry, 52, p. 5621, 1987 DOI: 10.1021/jo00234a021
Tetrahedron Letters, 13, p. 749, 1972
Allgemeine Beschreibung
Menthone is a cyclic oxygenated terpene and its antioxidant potential has been evaluated. It is one of the key active component of Danshu capsule (DSC), a medicinal compound in traditional Chinese medicine.

Menthone Upstream-Materialien And Downstream Produkte

p-Menthan-3-on Anbieter Lieferant Produzent Hersteller Vertrieb Händler.

10458-14-7, Menthone Verwandte Suche:

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