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2-Acetyl-3-ethylpyrazine

2-Acetyl-3-ethylpyrazine Basic information
Identification Description Regulatory Status Usage Natural occurrence
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
2-Acetyl-3-ethylpyrazine Structure
2-Acetyl-3-ethylpyrazine Chemical Properties
Boiling point 54-56 °C1 mm Hg(lit.)
density 1.075 g/mL at 25 °C(lit.)
FEMA 3250 | 2-ACETYL-3-ETHYLPYRAZINE
refractive index n20/D 1.515(lit.)
Fp 188 °F
storage temp. Sealed in dry,Room Temperature
pka0.56±0.10(Predicted)
form clear liquid
color Light orange to Yellow to Green
Odorat 1.00 % in propylene glycol. earthy potato chip nutty popcorn corn
Odor Typenutty
JECFA Number785
BRN 742901
LogP1.15
CAS DataBase Reference32974-92-8(CAS DataBase Reference)
NIST Chemistry Reference2-Acetyl-3-ethylpyrazine(32974-92-8)
EPA Substance Registry SystemEthanone, 1-(3-ethylpyrazinyl)- (32974-92-8)
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 Information
ProviderLanguage
SigmaAldrich English
ALFA English
2-Acetyl-3-ethylpyrazine Usage And Synthesis
Identification
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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
　
　
Description2-Acetyl-3-ethylpyrazine has a nutty, popcorn, potato chip, meaty odor.
Regulatory StatusCoE: 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).


UsageReported uses (ppm): (FEMA, 1994)
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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 occurrenceReported found in pork liver and cocoa.
Chemical PropertiesYellow liquid
Chemical Properties2-Acetyl-3-ethylpyrazine has a nutty, popcorn, potato chip, meaty odor
OccurrenceReported found in pork liver and cocoa
DefinitionChEBI: 2-Acetyl-3-ethylpyrazine is an aromatic ketone.
PreparationFrom 2-ethyl-3-methylpyrazine by bromination, followed by oxidation to the ketone
2-Acetyl-3-ethylpyrazine Preparation Products And Raw materials
Raw materialsIodoethane-->2-Ethyl-3-methylpyrazine
Acetyl-resveratrol N-ACETYL-L-TYROSINE ETHYL ESTER N,N-Diethylhydroxylamine 2-Acetyl-3-ethylpyrazine Acetylacetone Acetylferrocene 2-Ethylaniline Methoxydiethylborane Acetyl coenzyme A sodium salt Diethylaminoethanol 2-Ethyl-3-methylpyrazine Tetramethylpyrazine Pyrazinamide Sulfachoropyrazine sodium Triethylenediamine Glipizide PIPERACETAZINE (250 MG) DIETHYLALUMINUM CHLORIDE
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