2,3-Diethylpyrazine Chemical Properties

Boiling point:

180-182 °C (lit.)

Density 

0.963 g/mL at 25 °C (lit.)

refractive index 

n20/D 1.5(lit.)

FEMA 

3136 | 2,3-DIETHYLPYRAZINE

Flash point:

159 °F

storage temp. 

Inert atmosphere,Room Temperature

pka

2.16±0.10(Predicted)

Specific Gravity

0.963

color 

Colorless to Light yellow

Odor

at 0.10 % in dipropylene glycol. raw nutty green pepper

Odor Type

nutty

JECFA Number

771

LogP

1.70

CAS DataBase Reference

15707-24-1(CAS DataBase Reference)

NIST Chemistry Reference

2,3-Diethylpyrazine(15707-24-1)

EPA Substance Registry System

Pyrazine, 2,3-diethyl- (15707-24-1)

Safety Information

Hazard Codes 

Xi

Risk Statements 

37/38-41

Safety Statements 

26-39

RIDADR 

UN 3334

WGK Germany 

3

TSCA 

Yes

HS Code 

29339900

MSDS

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2,3-Diethylpyrazine Usage And Synthesis

Chemical Properties

CLEAR COLORLESS TO LIGHT YELLOW LIQUID

Chemical Properties

2,3-Diethylpyrazine has a nutty, hazelnut aroma

Occurrence

Reported found in baked potato, mushrooms, cocoa, roasted filberts, malt and shoyu (fermented soya hydrolysate).

Uses

2,3-Diethylpyrazine is used in method for preparing coffee extracts for cigarette using aroma backfilling agents.

Definition

ChEBI: 2,3-Diethylpyrazine is a member of pyrazines.

Preparation

By condensation of 3,4-hexanedione with ethylenediamine

Taste threshold values

Taste characteristics at 10 ppm: musty, raw, slight nutty, slight radishEMA PADI: 0.681 m

General Description

2,3-Diethylpyrazine is naturally present in tobacco and has been added to tobacco as flavor ingredients. Interaction of 2,3-diethylpyrazine (a volatile flavor compound) with propyl gallate has been investigated.

2,3-Diethylpyrazine(15707-24-1)Related Product Information

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• ETHYL 1-(2,3-DIETHYL-6-QUINOXALINYL)-4-PIPERIDINECARBOXYLATE
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• 2,6-DIETHYLPYRAZINE
• 2,3-Diethylpyrazine
• 6-CHLORO-2,3-DIETHYLQUINOXALINE