Basic information Identification Description Regulatory Status Usage Natural occurrence Safety Supplier Related
ChemicalBook >  Product Catalog >  Flavors and fragrances >  Synthetic fragrances >  Pyrazine spices >  2-Acetyl-3-ethylpyrazine

2-Acetyl-3-ethylpyrazine

Basic information Identification Description Regulatory Status Usage Natural occurrence Safety Supplier Related

2-Acetyl-3-ethylpyrazine Basic information

Product Name:
2-Acetyl-3-ethylpyrazine
Synonyms:
  • 2-ACETYL-3-ETHYLPYRAZINE 99+%
  • 2-Acetyl-3-thylpyrazine
  • ACETYL-3-ETHYLPYRAZINE, 2-(SG)
  • 2-ACETYL-3-ETHYL PYRAZINE FEMA NO.--------
  • 2-Acetyl-3-Ethyl
  • 2-Acetyi-3-ethyl pyrazine
  • 1-(3-Ethylpyrazin-2-yl)ethanone
  • 1-(3-ethylpyrazin-2-yl)ethan-1-one
CAS:
32974-92-8
MF:
C8H10N2O
MW:
150.18
EINECS:
251-316-2
Product Categories:
  • Alphabetical Listings
  • Flavors and Fragrances
  • Pyrazine
  • Mono- & Polyalkylpyrazines
  • Pyrazines
  • A-B
  • pyrazine Flavor
Mol File:
32974-92-8.mol
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2-Acetyl-3-ethylpyrazine Chemical Properties

Boiling point:
54-56 °C1 mm Hg(lit.)
Density 
1.075 g/mL at 25 °C(lit.)
refractive index 
n20/D 1.515(lit.)
FEMA 
3250 | 2-ACETYL-3-ETHYLPYRAZINE
Flash point:
188 °F
storage temp. 
Sealed in dry,Room Temperature
form 
clear liquid
pka
0.56±0.10(Predicted)
color 
Light orange to Yellow to Green
Odor
at 1.00 % in propylene glycol. earthy potato chip nutty popcorn corn
Odor Type
nutty
JECFA Number
785
BRN 
742901
LogP
1.15
CAS DataBase Reference
32974-92-8(CAS DataBase Reference)
NIST Chemistry Reference
2-Acetyl-3-ethylpyrazine(32974-92-8)
EPA Substance Registry System
Ethanone, 1-(3-ethylpyrazinyl)- (32974-92-8)
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Safety Information

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-36/37/39
WGK Germany 
3
TSCA 
Yes
HS Code 
29339900

MSDS

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2-Acetyl-3-ethylpyrazine Usage And Synthesis

Identification

CAS.No.: 
32974-92-8 
FL.No.: 
14.049
FEMA.No.: 
3250
NAS.No.: 
3250
CoE.No.: 
11293
EINECS.No.: 
251-316-2 
JECFA.No.: 
785
 
 

Description

2-Acetyl-3-ethylpyrazine has a nutty, popcorn, potato chip, meaty odor.

Regulatory Status

CoE: n/a
FDA: n/a
FDA (other): n/a
JECFA: ADI: Acceptable. No safety concern at current levels of intake when used as a flavoring agent (2001).

Usage

Reported uses (ppm): (FEMA, 1994)

Food Category 
Usual 
Max. 
Baked goods 
1
2
Gelatins, puddings 
0.1
0.1
Gravies 
10
20
Meat products 
1
2
Milk products 
0.1
0.1
Snack foods 
0.14
0.25
Soft.candy 
1.5
5
Soups 
10
20

Natural occurrence

Reported found in pork liver and cocoa.

Chemical Properties

Yellow liquid

Chemical Properties

2-Acetyl-3-ethylpyrazine has a nutty, popcorn, potato chip, meaty odor

Occurrence

Reported found in pork liver and cocoa

Definition

ChEBI: 2-Acetyl-3-ethylpyrazine is an aromatic ketone.

Preparation

From 2-ethyl-3-methylpyrazine by bromination, followed by oxidation to the ketone

2-Acetyl-3-ethylpyrazine Preparation Products And Raw materials

Raw materials

2-Acetyl-3-ethylpyrazineSupplier

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