Benzyl-2-methylcrotonat

Bezeichnung:Benzyl-2-methylcrotonat

Englisch Name:BENZYL TIGLATE

CBNumberCB9308682

SummenformelC12H14O2

Molgewicht190.24

Synonyma

Benzyl-2-methylcrotonat

Benzyl-2-methylcrotonat physikalisch-chemischer Eigenschaften

Siedepunkt	139 °C9 mm Hg(lit.)
Dichte	1.031 g/mL at 25 °C(lit.)
Brechungsindex	n20/D 1.522(lit.)
FEMA	3330 \| BENZYL TRANS-2-METHYL-2-BUTENOATE
Flammpunkt	>230 °F
Aggregatzustand	clear liquid
Farbe	Colorless to Almost colorless
Geruch (Odor)	at 100.00 %. balsamic earthy mushroom vegetable plastic cortex almond nutty
Geruchsart	balsamic
JECFA Number	846
BRN	2556119
LogP	3.35
CAS Datenbank	37526-88-8(CAS DataBase Reference)
EPA chemische Informationen	2-Butenoic acid, 2-methyl-, phenylmethyl ester, (2E)- (37526-88-8)

Sicherheit

Kennzeichnung gefährlicher	Xi
R-Sätze:	36/37/38
S-Sätze:	26-36
WGK Germany	2
TSCA	Yes
HS Code	29161900

Gefahreninformationscode (GHS)

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:DE: Bei der Arbeit geeignete Schutzkleidung tragen.
Chemische Eigenschaften
Colorless liquid. Insoluble in water, soluble in alcohol and oils.
Occurrence
Reported found in clove bud and rose apple (Syz. jambos Alston).
Verwenden
Tiglic Acid Benzyl Ester is found as one of the Geranium essential oils, and essential oil and solvent extracts of Iris planifolia (Mill) from Algeria, possessing antibacterial activity. It is also the starting material in the synthesis of (S)-α-Acetolactic Acid (A163805).
synthetische
By direct esterification of tiglic acid with benzyl alcohol under azeotropic conditions.
Definition
ChEBI: Benzyl trans-2-methyl-2-butenoate is a carboxylic ester. It is functionally related to a benzyl alcohol.
Application
Benzyl tiglate has been suggested for use in Rose fragrances, where this particularly deep-earthy, almost musty undertone can be desirable, e.g. in combination with spicy undertones. This ester also introduces a certain naturalness of herbaceous character, and blends well with Vetiver oil, Oakmoss, etc. in Reseda and similar fragrance types. Suggested for use in Rose type fragrances. mainly as a background note and fixative.
Taste threshold values
Taste characteristics at 100 ppm: sweet, balsamic, spice-like with a nutty almond note.