2-Ethyl-3-methylpyrazine

Product Name: 2-Ethyl-3-methylpyrazine
CAS No.: 15707-23-0
Chemical Name: 2-Ethyl-3-methylpyrazine
Synonyms: Pyrazine, 2-ethyl-3-methyl-;3-METHYL-2-ETHYLPYRAZINE;FEMA 3155;FEMA NUMBER 3155;filbert pyrazine;Ethyl-3-Methylpyraz;2-Ethyl-3-Methylpyra;3-ETHYL-2-METHYLPYRAZINE;2-METHYL-3-ETHYLPYRAZINE;2-ETHYL-3-METHYLPYRAZINE
CBNumber: CB6170305
Molecular Formula: C7H10N2
Formula Weight: 122.17
MOL File: 15707-23-0.mol

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2-Ethyl-3-methylpyrazine Property

Boiling point:: 57 °C10 mm Hg(lit.)
Density: 0.987 g/mL at 25 °C
vapor pressure: 1.74hPa at 20℃
FEMA: 3155 | 2-ETHYL-3-METHYLPYRAZINE
refractive index: n20/D 1.503(lit.)
Flash point:: 138 °F
storage temp.: Sealed in dry,Room Temperature
solubility: sparingly soluble
pka: 1.94±0.10(Predicted)
Specific Gravity: 0.987
color: Colorless to Light yellow
Odor: at 0.10 % in dipropylene glycol. nutty peanut musty corn raw earthy bread
Odor Type: nutty
Water Solubility: sparingly soluble
JECFA Number: 768
BRN: 956775
LogP: 1.42 at 25℃
CAS DataBase Reference: 15707-23-0(CAS DataBase Reference)
NIST Chemistry Reference: Pyrazine, 2-ethyl-3-methyl-(15707-23-0)
EPA Substance Registry System: Pyrazine, 2-ethyl-3-methyl- (15707-23-0)

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Safety

Hazard Codes: Xn,Xi
Risk Statements: 22-36/37/38
Safety Statements: 26-24/25
RIDADR: UN 1993 3/PG 3
WGK Germany: 3
RTECS: UQ3335000
Hazard Note: Irritant
TSCA: Yes
HazardClass: 3
PackingGroup: III
HS Code: 29339900

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H226Flammable liquid and vapour

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

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: W315508
Product name: 2-Ethyl-3-methylpyrazine
Purity: ≥98%, FCC, FG
Packaging: sample-k
Price: $54.6
Updated: 2024/03/01

Sigma-Aldrich

Product number: W315508
Product name: 2-Ethyl-3-methylpyrazine
Purity: ≥98%, FCC, FG
Packaging: 100g
Price: $199
Updated: 2024/03/01

Sigma-Aldrich

Product number: W315508
Product name: 2-Ethyl-3-methylpyrazine
Purity: ≥98%, FCC, FG
Packaging: 1kg
Price: $600
Updated: 2024/03/01

Sigma-Aldrich

Product number: W315508
Product name: 2-Ethyl-3-methylpyrazine
Purity: ≥98%, FCC, FG
Packaging: 5kg
Price: $2400
Updated: 2024/03/01

TCI Chemical

Product number: E0361
Product name: 2-Ethyl-3-methylpyrazine
Purity: >98.0%(GC)(T)
Packaging: 5mL
Price: $21
Updated: 2024/03/01

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2-Ethyl-3-methylpyrazine Chemical Properties,Usage,Production

Chemical Properties

clear colorless to slightly yellow liquid

Chemical Properties

2-Ethyl-3-methylpyrazine has a strong, raw-potato, roasted, earthy odor.

Occurrence

Reported found in bakery products, roasted barley, coffee, peanuts, filberts, potato products, soy products, roasted and fried chicken, beef, pork, beer, rum, cocoa, coffee, tea, malt, shrimp and crayfish.

Uses

2-Ethyl-3-methylpyrazine is used in preparation of Chinese chestnut pyrolyzate and their application to e-cigarette.

Uses

Food additive.

Definition

ChEBI: 2-Ethyl-3-methylpyrazine, 9CI is a member of pyrazines.

Preparation

By condensation of ethylenediamine with 2,3-pentanedione.

Aroma threshold values

Detection: 2 ppm (130 ppb in water)

Taste threshold values

Taste characteristics at 10 ppm: nutty, peanut, musty corn-like with raw and oily nuances.

Hazard

Moderately toxic by ingestion.

Flammability and Explosibility

Not classified

Safety Profile

Moderately toxic by ingestion. When heated to decomposition it emits acrid smoke and irritating fumes.

2-Ethyl-3-methylpyrazine Preparation Products And Raw materials

Raw materials

Ethylenediamine Acetylacetone

Preparation Products

2-Acetyl-3-ethylpyrazine

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2-Ethyl-3-methylpyrazine Suppliers

Americas 1 Belgium 1 Canada 1 China 214 Europe 1 France 1 Germany 7 India 8 Italy 1 Japan 3 Norway 1 Singapore 1 Slovakia 1 Spain 2 Switzerland 2 United Kingdom 19 United States 60 USA 1 Global 325

Apollo Scientific Ltd.

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Molekula Limited

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International Flavours & Fragrances I.F.F. (GB) Ltd.

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Molekula Ltd

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MOLEKULA Ltd.

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CARBONE SCIENTIFIC CO.,LTD

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ETA SCIENTIFIC Co.,Ltd

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UK GREEN SCIENTIFIC CO.,LIMITED

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Eurolabs Limited

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Fluorochem Ltd

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ENDEAVOUR SPECIALITY CHEMICALS LTD.

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Fluorochem Ltd.

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VWR International

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Oxford Chemicals

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View Lastest Price from 2-Ethyl-3-methylpyrazine manufacturers

Hebei Zhuanglai Chemical Trading Co.,Ltd

Product: 2-Ethyl-3-methylpyrazine 15707-23-0
Price: US $65.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: 5000kg/week
Release date: 2024-06-07

Hebei Weibang Biotechnology Co., Ltd

Product: 2-Ethyl-3-methylpyrazine 15707-23-0
Price: US $10.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 10 mt
Release date: 2024-11-05

Hebei Weibang Biotechnology Co., Ltd

Product: 2-Ethyl-3-methylpyrazine 15707-23-0
Price: US $0.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 500000kg
Release date: 2024-10-28

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