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W325007

Sigma-Aldrich

2-Acetyl-3-ethylpyrazine

98%, FG

Synonym(s):

1-(3-ethylpyrazin-2-yl)ethanone, 2-acetyl-3-ethyl-1,4-diazine, Chip pyrazine

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About This Item

Empirical Formula (Hill Notation):
C8H10N2O
CAS Number:
Molecular Weight:
150.18
FEMA Number:
3250
EC Number:
Council of Europe no.:
11293
MDL number:
UNSPSC Code:
12164502
PubChem Substance ID:
Flavis number:
14.049
NACRES:
NA.21

biological source

synthetic

Quality Level

grade

FG
Fragrance grade
Halal
Kosher

agency

follows IFRA guidelines

reg. compliance

EU Regulation 1223/2009
EU Regulation 1334/2008 & 178/2002

assay

98%

refractive index

n20/D 1.515 (lit.)

bp

54-56 °C/1 mmHg (lit.)

density

1.075 g/mL at 25 °C (lit.)

application(s)

flavors and fragrances

documentation

see Safety & Documentation for available documents

food allergen

no known allergens

fragrance allergen

no known allergens

organoleptic

cocoa; musty; nutty; woody

SMILES string

CCc1nccnc1C(C)=O

InChI

1S/C8H10N2O/c1-3-7-8(6(2)11)10-5-4-9-7/h4-5H,3H2,1-2H3

InChI key

PPJSYGVFDJEMRP-UHFFFAOYSA-N

General description

2-Acetyl-3-ethylpyrazineis a pyrazine derivative commonly used as a flavoring ingredient. It has a powerful nutty, earthy, and roasted odor and is used as a food flavoring agent and fragrance component .

Application

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 vinegar′s nutty and caramel-like aroma .
  • Used as a safe flavoring agent in animal feed .

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

10 - Combustible liquids

wgk_germany

WGK 3

flash_point_f

188.6 °F - closed cup

flash_point_c

87 °C - closed cup

ppe

Eyeshields, Gloves, type ABEK (EN14387) respirator filter


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Tracking volatile flavor changes during two years of aging of Chinese vinegar by HS-SPME-GC-MS and GC-O
Al-Dalali S, et al.
Journal of food composition and analysis, 106, 104295-104295 (2022)
Safety and efficacy of pyrazine derivatives including saturated ones belonging to chemical group 24 when used as flavourings for all animal species
EFSA Panel on Additives and Products or Substances used in Animal Feed (FEEDAP) and Rychen G, et al.
EFSA Journal, 15(2), e04671-e04671 (2017)

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