trans,trans-2,4-Decadien-1-al

Bezeichnung:trans,trans-2,4-Decadien-1-al

CAS-Nr25152-84-5

Englisch Name:trans,trans-2,4-Decadien-1-al

CBNumberCB2132561

SummenformelC10H16O

Molgewicht152.23

MOL-Datei25152-84-5.mol

Synonyma

trans,trans-2,4-Decadien-1-al

trans,trans-2,4-Decadien-1-al physikalisch-chemischer Eigenschaften

Siedepunkt	114-116 °C/10 mmHg (lit.)
Dichte	0.872 g/mL at 20 °C (lit.)
Dampfdichte	>1 (vs air)
Brechungsindex	n20/D 1.515(lit.)
FEMA	3135 \| 2-TRANS,4-TRANS-DECADIENAL
Flammpunkt	214 °F
storage temp.	2-8°C
Löslichkeit	DMF: 10 mg/ml; DMSO: 10 mg/ml; Ethanol: 10 mg/ml; Ethanol:PBS (pH 7.2) (1:2): .15 mg/ml
Aggregatzustand	Liquid
Farbe	Clear yellow
Geruch (Odor)	at 1.00 % in dipropylene glycol. oily cucumber melon citrus pumpkin nut meat
Geruchsart	fatty
Wasserlöslichkeit	insoluble
Sensitive	Air Sensitive
JECFA Number	1190
BRN	1704897
Stabilität	Light Sensitive
LogP	3.18
CAS Datenbank	25152-84-5(CAS DataBase Reference)
NIST chemische Informationen	2,4-Decadienal, (E,E)-(25152-84-5)
EPA chemische Informationen	2,4-Decadienal, (2E,4E)- (25152-84-5)

Sicherheit

Kennzeichnung gefährlicher	Xi
R-Sätze:	36/37/38-36/38
S-Sätze:	26-36-37/39
WGK Germany	2
RTECS-Nr.	HD3000000
F	10-23
TSCA	Yes
PackingGroup	III
HS Code	29121900

Gefahreninformationscode (GHS)

trans,trans-2,4-Decadien-1-al Chemische Eigenschaften,Einsatz,Produktion Methoden

R-Sätze Betriebsanweisung:
R36/37/38:Reizt die Augen, die Atmungsorgane und die Haut.
R36/38:Reizt die Augen 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.
S37/39:Bei der Arbeit geeignete Schutzhandschuhe und Schutzbrille/Gesichtsschutz tragen.
Chemische Eigenschaften
2-trans, 4-trans-Decadienal has a powerful, oily, chicken fat odor and a sweet, orange-like odor at high concentration. It has a grapefruit- or orange-like taste on dilution.
Physikalische Eigenschaften
Colorless, oily liquid. Almost insoluble in water, soluble in alcohol, poorly soluble in Propylene glycol, miscible with oils.
Occurrence
Reported as occurring in peanut oil and, as a volatile component, in fried potatoes, the trans, trans- form is reported found among the volatile flavor components of potato chips and tomato. Also found in citrus peel oils, orange juice, tangerine juice, guava fruit, strawberry fruit, cabbage, carrot, raw potato, bell pepper, butter, cooked chicken, beer, rum, tea, peanut oil, popcorn, potato chips, corn tortilla, oatmeal, Brazil nut, roasted almonds, roasted peanuts and pecans, soybeans, cassava, caviar, cooked beef, lamb, mutton, and fish.
Verwenden
trans,trans-2,4-Decadienal is an aldehyde with a fat flavor aroma characteristic of chicken but has a citrus odor at lower concentrations. trans,trans-2,4-Decadienal can be found in butter, cooked beef, fish, potato chips, roasted peanut, buckwheat and wheat bread crumb.
synthetische
By autooxidation of methyl (trans, trans)-linolate hydroperoxide.
Definition
ChEBI: (2E,4E)-deca-2,4-dienal is a polyunsaturated fatty aldehyde that is decanal which has undergone formal dehydrogenation to introduce trans- double bonds at the 2-3 and 4-5 positions. A product of lipid peroxidation in cell membranes and a component of cooking oil fumes. It has a role as a nematicide and an apoptosis inducer.
Aroma threshold values
Detection: 0.07 to 10 ppb. Aroma characteristics at 0.1%, rich fatty, aldehydic, green melon, chicken fat, oily and creamy with chicken stock and chicken meat nuances.
Taste threshold values
Taste characteristics at 2 ppm: rich oily fatty, aldehydic, green, chicken meat with tropical fruit and cilantro nuances
Synthesis Reference(s)
Tetrahedron Letters, 36, p. 4223, 1995 DOI: 10.1016/0040-4039(95)00704-G
Allgemeine Beschreibung
trans,trans-2,4-Decadienal reacts with cytochrome c to form an adduct.
Sicherheitsprofil
Combustible liquid. When heated to decomposition it emits acrid smoke and irritating fumes.

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