2,3-Diethylpyrazine

Synonym(s):Shoyu pyrazine

CAS NO.：15707-24-1
Empirical Formula: C8H12N2
Molecular Weight: 136.19
MDL number: MFCD00006151
EINECS: 239-800-1
SAFETY DATA SHEET (SDS)
Update Date: 2024-11-20 15:18:15

What is 2,3-Diethylpyrazine?

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).

The Uses of 2,3-Diethylpyrazine

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

Preparation

By condensation of 3,4-hexanedione with ethylenediamine

Definition

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

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.

Properties of 2,3-Diethylpyrazine

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
form	neat
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
JECFA Number	771
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 for 2,3-Diethylpyrazine

Signal word	Danger
Pictogram(s)	Corrosion Corrosives GHS05 Exclamation Mark Irritant GHS07
GHS Hazard Statements	H315:Skin corrosion/irritation H318:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes	P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.