2-Acetyl-3-ethylpyrazine

Identification Description Regulatory Status Usage Natural occurrence

Product Name: 2-Acetyl-3-ethylpyrazine
CAS No.: 32974-92-8
Chemical Name: 2-Acetyl-3-ethylpyrazine
Synonyms: FEMA 3250;2-Acetyl-3-Ethyl;FEMA NUMBER 3250;2-Acetyl-3-ethylpyra;2-ACETYL ETHYLPYRAZINE;2-Acetyl-3-thylpyrazine;2-ACETYL-3-ETHYLPYRAZINE;3-ethyl-2-acetylpyrazine;2-Acetyi-3-ethyl pyrazine;2-Ethyl-3-acetyl pyrazine
CBNumber: CB2175988
Molecular Formula: C8H10N2O
Formula Weight: 150.18
MOL File: 32974-92-8.mol

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2-Acetyl-3-ethylpyrazine Property

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
biological source: synthetic
JECFA Number: 785
BRN: 742901
Major Application: flavors and fragrances
InChI: 1S/C8H10N2O/c1-3-7-8(6(2)11)10-5-4-9-7/h4-5H,3H2,1-2H3
InChIKey: PPJSYGVFDJEMRP-UHFFFAOYSA-N
SMILES: CCc1nccnc1C(C)=O
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

Hazard Codes: Xi
Risk Statements: 36/37/38
Safety Statements: 26-36/37/39
WGK Germany: 3
TSCA: TSCA listed
HS Code: 29339900
Storage Class: 10 - Combustible liquids
Hazard Classifications: Eye Irrit. 2
Skin Irrit. 2
STOT SE 3

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: W325007
Product name: 2-Acetyl-3-ethylpyrazine
Purity: 98%, FG
Packaging: 1 unit
Price: $61.7
Updated: 2025/07/31

Sigma-Aldrich

Product number: W325007
Product name: 2-Acetyl-3-ethylpyrazine
Purity: 98%, FG
Packaging: 1 unit
Price: $61.7
Updated: 2025/07/31

Sigma-Aldrich

Product number: W325007
Product name: 2-Acetyl-3-ethylpyrazine
Purity: 98%, FG
Packaging: 100g
Price: $1170
Updated: 2025/07/31

Sigma-Aldrich

Product number: W325007
Product name: 2-Acetyl-3-ethylpyrazine
Purity: 98%, FG
Packaging: sample-k
Price: $59.8
Updated: 2024/03/01

Sigma-Aldrich

Product number: W325007
Product name: 2-Acetyl-3-ethylpyrazine
Purity: 98%, FG
Packaging: 25g
Price: $313
Updated: 2023/01/07

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2-Acetyl-3-ethylpyrazine Chemical Properties,Usage,Production

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

Gravies

10

20

Meat products

1

2

Milk products

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

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

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

Raw materials

2-Ethyl-3-methylpyrazine Iodoethane

Preparation Products

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2-Acetyl-3-ethylpyrazine Suppliers

Americas 2 Canada 1 China 160 Europe 1 France 1 Germany 4 India 5 Japan 2 Singapore 2 Spain 1 Switzerland 1 United Kingdom 20 United States 46 USA 1 Global 247

J & K SCIENTIFIC LTD.

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Advantage: 76

Meryer (Shanghai) Chemical Technology Co., Ltd.

Tel: 4006356688 18621169109
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3B Pharmachem (Wuhan) International Co.,Ltd.

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Alfa Aesar

Tel: 400-6106006
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TCI (Shanghai) Development Co., Ltd.

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Energy Chemical

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JinYan Chemicals(ShangHai) Co.,Ltd.

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Shanghai Sinch Parmaceuticals Tech. Co. Ltd.

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Adamas Reagent, Ltd.

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View Lastest Price from 2-Acetyl-3-ethylpyrazine manufacturers

Hebei Chuanghai Biotechnology Co., Ltd

Product: 2-Acetyl-3-ethylpyrazine 32974-92-8
Price: US $0.00-0.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 500000kg
Release date: 2024-10-24

Hebei Zhuanglai Chemical Trading Co.,Ltd

Product: 2-Acetyl-3-ethylpyrazine 32974-92-8
Price: US $20.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: 20MT
Release date: 2024-04-22

Hebei Yanxi Chemical Co., Ltd.

Product: 2-Acetyl-3-ethylpyrazine 32974-92-8
Price: US $20.00-1.00/kg
Min. Order: 1kg
Purity: 0.99
Supply Ability: 10 tons
Release date: 2023-10-12

32974-92-8, 2-Acetyl-3-ethylpyrazineRelated Search:

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ACETYL-3-ETHYLPYRAZINE, 2-

2-ACETYL-3-ETHYLPYRAZINE

2-ACETYL ETHYLPYRAZINE

2-ETHYL-3-PYRAZINYL METHYL KETONE

FEMA NUMBER 3250

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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 &gt

Ethanone, 1-(3-ethyl-2-pyrazinyl)-

2-Acetyl-3-ethylpyrazine USP/EP/BP

Flavor Enhancer 2-Acetyl-3-ethylpyrazine 32974-92-8

2-Acetyl-3-ethylpyrazine in isooctane

2-Acetyl-3-ethylpyrazine, 10 mM in DMSO

32974-92-8

32947-92-8

C8H10ON2

Alphabetical Listings

Flavors and Fragrances

A-B

Pyrazine

Mono- & Polyalkylpyrazines

Pyrazines

pyrazine Flavor