2,4-Hexadienal, (E,E)-

Bezeichnung:2,4-Hexadienal, (E,E)-

CAS-Nr142-83-6

Englisch Name:(E,E)-2,4-Hexadienal

CBNumberCB9143146

SummenformelC6H8O

Molgewicht96.13

MOL-Datei142-83-6.mol

Synonyma

Hexa-2,4-dienal

2,4-Hexadienal, (E,E)-

2,4-Hexadienal, (E,E)- physikalisch-chemischer Eigenschaften

Schmelzpunkt	-16.5°C
Siedepunkt	69 °C/20 mmHg (lit.)
Dichte	0.895 g/mL at 20 °C 0.871 g/mL at 25 °C (lit.)
Dampfdichte	>1 (vs air)
Brechungsindex	n20/D 1.541(lit.)
FEMA	3429 \| TRANS,TRANS-2,4-HEXADIENAL
Flammpunkt	154 °F
storage temp.	2-8°C
Löslichkeit	Almost insoluble in water, soluble in alcohol and oils.
Aggregatzustand	liquid
Farbe	Colorless
Wichte	0.871
Geruch (Odor)	at 10.00 % in dipropylene glycol. sweet green spicy floral citrus
Geruchsart	green
Wasserlöslichkeit	It is Insoluble in water, but soluble in ethanol.
Sensitive	Air Sensitive
JECFA Number	1175
BRN	1698401
Stabilität	Stable. Combustible. Incompatible with strong reducing agents, strong bases, strong oxidizing agents.
LogP	1.06
CAS Datenbank	142-83-6(CAS DataBase Reference)
IARC	2B (Vol. 101) 2013
NIST chemische Informationen	2,4-Hexadienal, (E,E)-(142-83-6)
EPA chemische Informationen	2,4-Hexadienal, (2E,4E)- (142-83-6)

Sicherheit

Kennzeichnung gefährlicher	T,Xi,Xn
R-Sätze:	22-24-34-43-36/37/38-20/21/22
S-Sätze:	26-36/37/39-45-36
RIDADR	UN 2922 8/PG 3
WGK Germany	3
RTECS-Nr.	WG1925000
F	1-10
Hazard Note	Irritant
TSCA	Yes
HazardClass	6.1
PackingGroup	III
HS Code	29121900
Giftige Stoffe Daten	142-83-6(Hazardous Substances Data)

Gefahreninformationscode (GHS)

(E,E)-2,4-Hexadienal Chemische Eigenschaften,Einsatz,Produktion Methoden

R-Sätze Betriebsanweisung:
R22:Gesundheitsschädlich beim Verschlucken.
R24:Giftig bei Berührung mit der Haut.
R34:Verursacht Verätzungen.
R43:Sensibilisierung durch Hautkontakt möglich.
R36/37/38:Reizt die Augen, die Atmungsorgane und die Haut.
R20/21/22:Gesundheitsschädlich beim Einatmen,Verschlucken und Berührung mit der 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.
S45:Bei Unfall oder Unwohlsein sofort Arzt zuziehen (wenn möglich, dieses Etikett vorzeigen).
S36:DE: Bei der Arbeit geeignete Schutzkleidung tragen.
Beschreibung
trans, frans-2,4-Hexadienal has a fresh, green, floral citrus odor. May be synthesized by slowly heating croton-aldehyde with acetaldehyde in the presence of pyridine at 85 - 90°C.
Chemische Eigenschaften
liquid
Chemische Eigenschaften
trans, trans-2,4-Hexadienal has a sweet, green aroma; in dilution, a pleasant citrusy green.
Occurrence
Reported found in olive, roasted peanuts, tomato, caviar, fish, auto-oxidized salmon oil, tea, apricot, strawberry, wheaten bread, Russian cheeses, cooked chicken and beef, boiled mutton, hop oil, raw and roasted peanuts, soybean, olive, rice, buckwheat, malt, kiwifruit and scallops.
Verwenden
2,4-Hexadienal, is used in the synthesis of chiral cycloadducts. 2,4-Hexadienal is used as a flavouring agent, as a chemical intermediate in various organic synthetic reactions and as a raw material in the manufacture of sorbic acid. It is also used as in the manufacture of polymethine dyes, as a pharmaceutical intermediate in the manufacture of mitomycins and antihypercholesteraemics, as an inhibitor of corrosion for steel used in oil field operations, as a monomer in reactions with silane comonomers for the manufacture of polyalkenyloxysilane polymer and as a fumigant against larvae of the Caribbean fruit fly.
Verwenden
trans,trans-2,4-Hexadienal (sorbic aldehyde) was used in the synthesis of chiral cycloadducts.
Definition
ChEBI: (E,E)-2,4-hexadienal is a hexadienal that is hexanal with trans double bonds at positions 2 and 4. It is found in tomatoes, kiwi fruit, mangoes, potato chips, herbs and spices. It has a role as a flavouring agent and a plant metabolite. It is a polyunsaturated fatty aldehyde, a hexadienal and a volatile organic compound.
synthetische
Can be obtained by slowly heating crotonaldehyde with acetaldehyde in the presence of pyridine at 85 to 90°C.
Aroma threshold values
Detection: 60 to 476 ppb
Taste threshold values
Taste characteristics at 25 ppm: sweet, green, waxy, aldehydic, with fresh melon nuances.
Allgemeine Beschreibung
trans,trans-2,4-Hexadienal is a volatile is a flavor compound that is reported to occur in different types of tea.

(E,E)-2,4-Hexadienal Upstream-Materialien And Downstream Produkte

2,4-Hexadienal, (E,E)- Anbieter Lieferant Produzent Hersteller Vertrieb Händler.

142-83-6, (E,E)-2,4-Hexadienal Verwandte Suche:

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