3-Methylbutylisovalerat

Bezeichnung:3-Methylbutylisovalerat

CAS-Nr659-70-1

Englisch Name:3-Methylbutyl 3-methylbutanoate

CBNumberCB7433818

SummenformelC10H20O2

Molgewicht172.26

MOL-Datei659-70-1.mol

Synonyma

3-Methylbutylisovalerat

3-Methylbutylisovalerat physikalisch-chemischer Eigenschaften

Schmelzpunkt	-58.15°C
Siedepunkt	192-193 °C (lit.)
Dichte	0.854 g/mL at 25 °C (lit.)
Dampfdruck	0.8 hPa (20 °C)
FEMA	2085 \| ISOAMYL ISOVALERATE
Brechungsindex	n20/D 1.412(lit.)
Flammpunkt	152 °F
storage temp.	Sealed in dry,Room Temperature
Löslichkeit	0.016g/l
Aggregatzustand	clear liquid
Farbe	Colorless to Almost colorless
Geruch (Odor)	at 100.00 %. sweet fruity green ripe apple jammy tropical
Geruchsart	fruity
Biologische Quelle	synthetic
Wasserlöslichkeit	48.1mg/L at 20℃
Merck	14,5121
JECFA Number	50
LogP	3.8 at 35℃
CAS Datenbank	659-70-1(CAS DataBase Reference)
NIST chemische Informationen	Butanoic acid, 3-methyl-, 3-methylbutyl ester(659-70-1)
EPA chemische Informationen	3-Methylbutyl isovalerate (659-70-1)

Sicherheit

Kennzeichnung gefährlicher	Xi
R-Sätze:	36/37/38
S-Sätze:	26-36/37/39
WGK Germany	2
RTECS-Nr.	NY1508000
HS Code	2915 60 90
Toxizität	LD50 orally in Rabbit: > 5000 mg/kg LD50 dermal Rabbit > 5000 mg/kg

Gefahreninformationscode (GHS)

3-Methylbutyl 3-methylbutanoate Chemische Eigenschaften,Einsatz,Produktion Methoden

R-Sätze Betriebsanweisung:
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.
S36/37/39:Bei der Arbeit geeignete Schutzkleidung,Schutzhandschuhe und Schutzbrille/Gesichtsschutz tragen.
Beschreibung
Isoamyl isovalerate has a characteristic fruity odor and a sweet apple-like flavor. May be prepared by passing vapors of isoamyl alcohol and isovaleric aldehyde over a copper uranium based catalyst at 240 - 280°C in the presence of hydrogen.
Chemische Eigenschaften
Isoamyl isovalerate has a fruity, sweet, apple, apricot, mango-characteristic fruity odor and sweet-apple-like flavor.
Occurrence
Reported found in the ether oil from leaves of Eucalyptus microcorys, angelica root oil and mastic gum leaf and fruit oils. Also reported in wine, oil of hop, olive oil, banana, tomato, peppermint and spearmint oil, beer, rum, whiskies, cider, sherry, plum, quince, cherimoya and lamb’s lettuce.
Verwenden
Isopentyl 3-Methylbutanoate is used in method for preparing essence compound of olfactory recognition book suitable for olfactory sense of Chines.
Verwenden
As apple essence for flavoring liqueurs and candy.
Vorbereitung Methode
3-Methylbutyl 3-methylbutanoate can be produced by:
1) direct esterification of iso-Amyl alcohol with iso-Valerie acid under azeotropic conditions. 2) controlled oxidation of iso-Amyl alcohol with Potassium bichromate-Sulfuric acid mixture.
synthetische
By passing vapors of isoamyl alcohol and isovaleric aldehyde over a copper–uranium-based catalyst at 240 to 280°C in the presence of hydrogen
Definition
ChEBI: Isoamyl isovalerate is a fatty acid ester.
Aroma threshold values
Detection: 20 ppb; aroma characteristics at 1.0% in ethanol: sweet, fruity, green apple and estry.
Taste threshold values
Taste characteristics at 15 ppm: green, fruity, estry, apple, pineapple and tutti-frutti
Synthesis Reference(s)
The Journal of Organic Chemistry, 52, p. 4319, 1987 DOI: 10.1021/jo00228a032
Allgemeine Beschreibung
Isoamyl isovalerate is an apple flavor volatile compound mainly found in apple and banana. It is used as a flavoring agent in chewing gums, candies and baked goods.
Biochem/physiol Actions
Taste at 1.0 ppm

3-Methylbutyl 3-methylbutanoate Upstream-Materialien And Downstream Produkte

3-Methylbutylisovalerat Anbieter Lieferant Produzent Hersteller Vertrieb Händler.

659-70-1, 3-Methylbutyl 3-methylbutanoate Verwandte Suche:

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