Ethylvalerat

Bezeichnung:Ethylvalerat

Englisch Name:Ethyl valerate

CBNumberCB8853761

SummenformelC7H14O2

Molgewicht130.18

Synonyma

Ethylvalerat

Ethylvalerat physikalisch-chemischer Eigenschaften

Schmelzpunkt	-92--90°C
Siedepunkt	144-145 °C (lit.)
Dichte	0.875 g/mL at 25 °C (lit.)
Dampfdruck	3-27.3hPa at 20-50℃
Brechungsindex	n20/D 1.401(lit.)
FEMA	2462 \| ETHYL VALERATE
Flammpunkt	102 °F
storage temp.	Store below +30°C.
Löslichkeit	2.23g/l
Aggregatzustand	Liquid
Farbe	Clear colorless
Geruch (Odor)	at 10.00 % in dipropylene glycol. sweet fruity apple pineapple green tropical
Geruchsart	fruity
Explosionsgrenze	1%(V)
Odor Threshold	0.00011ppm
Wasserlöslichkeit	2.226g/L(temperature not stated)
JECFA Number	30
Merck	14,9904
BRN	1744680
Dielectric constant	4.7（18℃）
LogP	2.3 at 22℃ and pH7
CAS Datenbank	539-82-2(CAS DataBase Reference)
NIST chemische Informationen	Pentanoic acid, ethyl ester(539-82-2)
EPA chemische Informationen	Pentanoic acid, ethyl ester (539-82-2)

Sicherheit

Gefahreninformationscode (GHS)

R-Sätze Betriebsanweisung:
R10:Entzündlich.
S-Sätze Betriebsanweisung:
S16:Von Zündquellen fernhalten - Nicht rauchen.
Chemische Eigenschaften
clear colorless liquid
Chemische Eigenschaften
Ethyl valerate has a fruity odor suggestive of apple
Occurrence
Reported found in apples, bananas, guava, strawberry, cheeses, rum, whiskey, cider, sherry, grape wines, cocoa, coffee, honey and passion fruit, apricot, guava fruit and pineapple.
Verwenden
Intermediate in perfumery.
Verwenden
Ethyl valerate has wide applications in the areas of food, pharmaceuticals and cosmetics industries.
Definition
ChEBI: Ethyl pentanoate is a fatty acid ester.
synthetische
By refluxing valeric acid and ethyl alcohol in the presence of concentrated H2SO4.
Aroma threshold values
Detection: 1.5 to 5 ppb
Taste threshold values
Taste characteristics at 30 ppm: fruity, strawberry, sweet, estry, fruity, pineapple, and tropical fruit.
Synthesis Reference(s)
Canadian Journal of Chemistry, 58, p. 2271, 1980 DOI: 10.1139/v80-365
The Journal of Organic Chemistry, 54, p. 4848, 1989 DOI: 10.1021/jo00281a029
Allgemeine Beschreibung
Ethyl valerate is also known as the green apple flavor. Microwave spectrum of ethyl valerate, observed by molecular beam Fourier transform microwave spectroscopy, has been reported.