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ChemicalBook--->CAS DataBase List--->32974-92-8

32974-92-8

32974-92-8 Structure

32974-92-8 Structure
IdentificationMore
[Name]

2-Acetyl-3-ethylpyrazine
[CAS]

32974-92-8
[Synonyms]

2-ACETYL-3-ETHYLPYRAZINE
2-ACETYL ETHYLPYRAZINE
2-ETHYL-3-PYRAZINYL METHYL KETONE
ACETYL-3-ETHYLPYRAZINE, 2-
FEMA 3250
FEMA NUMBER 3250
1-(3-Ethyl-2-pyrazinyl)ethanone
1-(3-ethylpyrazinyl)-ethanon
2-Ethyl-3-acetyl pyrazine
3-ethyl-2-acetylpyrazine
Ethanone, 1-(3-ethylpyrazinyl)-
Pyrazine, 2-acetyl-3-ethyl
1-(3-ethylpyrazinyl)ethan-1-one
2-ACETYL-3-ETHYLPYRAZINE 99+%
2-Acetyl-3-Ethyl
2-Acetyl-3-thylpyrazine
ACETYL-3-ETHYLPYRAZINE, 2-(SG)
2-ACETYL-3-ETHYL PYRAZINE FEMA NO.--------
2-Acetyi-3-ethyl pyrazine
1-(3-Ethylpyrazin-2-yl)ethanone
[EINECS(EC#)]

251-316-2
[Molecular Formula]

C8H10N2O
[MDL Number]

MFCD00038028
[Molecular Weight]

150.18
[MOL File]

32974-92-8.mol
Chemical PropertiesBack Directory
[Boiling point ]

54-56 °C1 mm Hg(lit.)
[density ]

1.075 g/mL at 25 °C(lit.)
[FEMA ]

3250
[refractive index ]

n20/D 1.515(lit.)
[Fp ]

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
[biological source]

synthetic
[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]

32974-92-8(EPA Substance)
Safety DataBack Directory
[Hazard Codes ]

Xi
[Risk Statements ]

R36/37/38:Irritating to eyes, respiratory system and skin .
[Safety Statements ]

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
[WGK Germany ]

3
[TSCA ]

Yes
[HS Code ]

29339900
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Iodoethane-->2-Ethyl-3-methylpyrazine
Questions And AnswerBack Directory
[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.
Hazard InformationBack Directory
[Chemical Properties]

2-Acetyl-3-ethylpyrazine has a nutty, popcorn, potato chip, meaty odor
[Chemical Properties]

Yellow liquid
[Occurrence]

Reported found in pork liver and cocoa
[Uses]

2-Acetyl-3-ethylpyrazine is:
  • One of the volatile flavor compounds identified and tracked over time during the aging process of Chinese vinegar. It contributes to the vinegarμs nutty and caramel-like aroma .
  • Used as a safe flavoring agent in animal feed .
[Definition]

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

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

4°C, stored under nitroge
Spectrum DetailBack Directory
[Spectrum Detail]

2-Acetyl-3-ethylpyrazine(32974-92-8)1HNMR
2-Acetyl-3-ethylpyrazine(32974-92-8)IR
2-Acetyl-3-ethylpyrazine(32974-92-8)FT-IR
Well-known Reagent Company Product InformationBack Directory
[Alfa Aesar]

2-Acetyl-3-ethylpyrazine, 98%(32974-92-8)
[Sigma Aldrich]

32974-92-8(sigmaaldrich)
[TCI AMERICA]

2-Acetyl-3-ethylpyrazine,>98.0%(GC)(32974-92-8)
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