TRANS,TRANS-2,4-HEPTADIENAL Chemical Properties

Boiling point:

84-84.5 °C(lit.)

Density 

0.881 g/mL at 25 °C(lit.)

refractive index 

n20/D 1.534(lit.)

Flash point:

150 °F

Odor

Citrus flavors, especially orange and tangerine. Can also be used for mouth feel in a variety of dairy type flavors.green pungent fruity spicy

Odor Type

green

LogP

1.891 (est)

CAS DataBase Reference

5910-85-0(CAS DataBase Reference)

EPA Substance Registry System

2,4-Heptadienal (5910-85-0)

Safety Information

Hazard Codes 

T

Risk Statements 

22-24-38

Safety Statements 

36/37-45

RIDADR 

UN 2810 6.1/PG 3

WGK Germany 

3

F 

10-23

MSDS

• Language:English Provider:SigmaAldrich
• Language:English Provider:ACROS

TRANS,TRANS-2,4-HEPTADIENAL Usage And Synthesis

Chemical Properties

Yellowish liquid. It has a grassy, fat, fruit and spice-like aroma. Flash point 60 ℃. Soluble in ethanol and most non-volatile oils, insoluble in water.

Uses

2,4-Heptadienal is mainly used for the preparation of blueberry, raspberry and miscellaneous fruit flavors.

Definition

ChEBI: (E,E)-hepta-2,4-dienal is a heptadienal in which the two double bonds are located at positions 2 and 4 (the E,E-geoisomer). It has a role as a flavouring agent.

Synthesis

2,4-Heptadienal is synthesized by reducing heptadienoic acid to heptadienol with LiAlH4 and then oxidizing it with MnO2.

TRANS,TRANS-2,4-HEPTADIENAL(5910-85-0)Related Product Information

• trans,trans-2,4-Heptadienal