1-(2,5-Dimethyl-3-furyl)ethan-1-on

Bezeichnung:1-(2,5-Dimethyl-3-furyl)ethan-1-on

Englisch Name:3-ACETYL-2,5-DIMETHYLFURAN

CBNumberCB8110437

SummenformelC8H10O2

Molgewicht138.16

Synonyma

1-(2,5-Dimethyl-3-furyl)ethan-1-on

1-(2,5-Dimethyl-3-furyl)ethan-1-on physikalisch-chemischer Eigenschaften

Siedepunkt	62 °C/0.25 mmHg (lit.)
Dichte	1.038 g/mL at 25 °C (lit.)
Brechungsindex	n20/D 1.485(lit.)
FEMA	3391 \| 3-ACETYL-2,5-DIMETHYLFURAN
Flammpunkt	174 °F
storage temp.	Sealed in dry,Room Temperature
Aggregatzustand	clear liquid
Farbe	Colorless to Yellow
Wichte	1.038
Geruch (Odor)	at 1.00 % in dipropylene glycol. sweet musty nutty earthy cocoa corn leather
Geruchsart	musty
JECFA Number	1506
BRN	112094
LogP	1.74
CAS Datenbank	10599-70-9(CAS DataBase Reference)
EPA chemische Informationen	3-Acetyl-2,5-dimethylfuran (10599-70-9)

Sicherheit

Kennzeichnung gefährlicher	Xi
S-Sätze:	24/25
WGK Germany	3
Hazard Note	Irritant
HS Code	2932190090

Gefahreninformationscode (GHS)

S-Sätze Betriebsanweisung:
S24/25:Berührung mit den Augen und der Haut vermeiden.
Chemische Eigenschaften
It is a liquid with a powerful, slightly roasted, nut-like aroma
Chemische Eigenschaften
Colorless to light yellow liqui
Occurrence
Reported found in coffee.
Verwenden
3-Acetyl-2,5-dimethylfuran was used in synthesis of:
- furylfulgide, 2-[1-(2, 5-dimethyl-3-furyl) ethylidene]-3-isopropylidene succinic anhydride
- chalcones
- 1-(2′,5′-dimethyl-3′-furyl)-3-(aryl)-2-propen-1-one
Definition
ChEBI: 3-acetyl-2,5-dimethylfuran is a member of the class of furans that is furan substituted by methyl, acetyl and methyl groups at positions 2, 3 and 5, respectively. It has a role as a flavouring agent, a plant metabolite and a mutagen. It is an aromatic ketone, a member of furans and a methyl ketone.
Aroma threshold values
Detection at 1%: musty, earthy, nutty, raw potato, slightly green with a roasted almond nuance
Taste threshold values
Taste characteristics at 2 ppm: musty, earthy raw potato, nutty and cocoalike with almond, corn and savory nuances.
Synthesis Reference(s)
Journal of the American Chemical Society, 82, p. 4883, 1960 DOI: 10.1021/ja01503a033
Synthetic Communications, 18, p. 1841, 1988 DOI: 10.1080/00397918808060939
Allgemeine Beschreibung
3-Acetyl-2,5-dimethylfuran is a flavouring agent and its specifications were revised.