1-Phenylpropan-1,2-dion

Bezeichnung:1-Phenylpropan-1,2-dion

CAS-Nr579-07-7

Englisch Name:1-Phenyl-1,2-propanedione

CBNumberCB0306443

SummenformelC9H8O2

Molgewicht148.16

MOL-Datei579-07-7.mol

Synonyma

1-Phenylpropan-1,2-dion

1-Phenylpropan-1,2-dion physikalisch-chemischer Eigenschaften

Schmelzpunkt	<20 °C
Siedepunkt	103-105 °C/14 mmHg (lit.)
Dichte	1.101 g/mL at 25 °C (lit.)
FEMA	3226 \| 1-PHENYL-1,2-PROPANEDIONE
Brechungsindex	n20/D 1.532(lit.)
Flammpunkt	184 °F
storage temp.	Inert atmosphere,Room Temperature
Löslichkeit	Chloroform (Soluble), Hexane (Slightly), Methanol (Slightly)
Aggregatzustand	Liquid
Farbe	Clear yellow
Geruch (Odor)	at 10.00 % in propylene glycol. plastic buttery honey
Geruchsart	plastic
JECFA Number	833
InChIKey	BVQVLAIMHVDZEL-UHFFFAOYSA-N
LogP	0.82
CAS Datenbank	579-07-7(CAS DataBase Reference)
NIST chemische Informationen	1,2-Propanedione, 1-phenyl-(579-07-7)
EPA chemische Informationen	1,2-Propanedione, 1-phenyl- (579-07-7)

Sicherheit

Kennzeichnung gefährlicher	Xn,Xi
R-Sätze:	22-36/37/38
S-Sätze:	26-36
RIDADR	1224
WGK Germany	3
HazardClass	3
PackingGroup	II
HS Code	29143990

Gefahreninformationscode (GHS)

1-Phenyl-1,2-propanedione Chemische Eigenschaften,Einsatz,Produktion Methoden

R-Sätze Betriebsanweisung:
R22:Gesundheitsschädlich beim Verschlucken.
R36/37/38:Reizt die Augen, die Atmungsorgane und die Haut.
S-Sätze Betriebsanweisung:
S26:Bei Berührung mit den Augen sofort gründlich mit Wasser abspülen und Arzt konsultieren.
S36:DE: Bei der Arbeit geeignete Schutzkleidung tragen.
Chemische Eigenschaften
clear yellow liquid
Chemische Eigenschaften
1-Phenyl-1,2-propanedione has a pungent, plastic odor.
Occurrence
Reported found as a constituent in coffee, baked potato and butter.
Verwenden
Pyruvophenone was used in the synthesis of opioid receptor agonists for gastrointestinal disorders. The enantioselective hydrogenation of Pyruvophenone over Pt colloids was also studied.
Definition
ChEBI: An alpha-diketone that consists of 1-phenylpropane bearing keto substituents at positions 1 and 2. It is found in coffee.
Aroma threshold values
Aroma characteristics at 1.0%: creamy, buttery, fatty, slightly vanillalike, slightly walnut nutty, almond and marzipanlike with a woody styraxlike nuance, and having a slightly sour yeasty and fermented nuance.
Taste threshold values
Taste characteristics at 5 ppm: cultured creamy, dairylike and slightly astringent with a slight spicy caraway/ cumin nuance.
Synthesis Reference(s)
The Journal of Organic Chemistry, 36, p. 3553, 1971 DOI: 10.1021/jo00822a019
Allgemeine Beschreibung
1-Phenyl-1,2-propanedione is a volatile flavor compound found in khat leaves and cambará honey.
Synthese
By oxidation of propiophenone or benzyl methyl ketone with selenium dioxide; by the acid hydrolysis of oximonopropiophenone or other synthetic routes.

1-Phenyl-1,2-propanedione Upstream-Materialien And Downstream Produkte

1-Phenylpropan-1,2-dion Anbieter Lieferant Produzent Hersteller Vertrieb Händler.

579-07-7, 1-Phenyl-1,2-propanedione Verwandte Suche:

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