(E,E)-2,4-Heptadienal CAS 4313-03-5

Product Description:

Product Name: (E,E)-2,4-Heptadienal CAS NO: 4313-03-5

Synonyms:

2-trans,4-trans-n-heptadienal;

Heptadienal;

trans,trans-2,4-Heptandienal;

Chemical & Physical Properties:

Appearance: Clear yellow liquid

Assay :≥99.0%

Density: 0.883

Boiling Point: 84-84.5℃

Flash Point: 65℃

Melting Point: 84.5℃

Refractive Index: 1.529-1.537

Water Solubility: Insoluble

Storage Condition: Refrigerator (+4℃)

Safety Information:

Safety Statements: S36/37-S45

HS Code: 2912190090

WGK Germany: 3

RIDADR: UN 2810

Risk Statements: R22; R24; R38

Hazard Codes: T,Xi

Packing Group: III

Hazard Class: 6.1

2,4-Heptadienal retards or prevents the development of "off-flavors" in auto-oxidizing fats and oils. May be prepared by reduction with LiAlH4 of the dienoic acid prepared by the Doebner synthesis, followed by oxidation with Mn02 of the resulting dienol to the corresponding dienol; by the method of Marshall and Whiting. Trans,trans-2,4-Heptanedienal is an unsaturated aldehyde that has a fishy odour. trans,trans-2,4-Heptanedienal is a volatile component naturally found in drinking water and fish oils.

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