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ChemicalBook > Product Catalog >Flavors and fragrances >Synthetic fragrances >Halogen, sulfur, nitrogen compounds >Nitrogen-containing compounds >2-Ethyl-3-methylpyrazine

2-Ethyl-3-methylpyrazine

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Company Name: Hebei Weibang Biotechnology Co., Ltd
Tel: +8615531157085
Email: abby@weibangbio.com
Products Intro: Product Name:2-Ethyl-3-methylpyrazine
CAS:15707-23-0
Purity:99% Package:1KG;10.00;USD
Company Name: Hebei Mojin Biotechnology Co., Ltd
Tel: +86 13288715578 +8613288715578
Email: sales@hbmojin.com
Products Intro: Product Name:2-Ethyl-3-methylpyrazine
CAS:15707-23-0
Purity:99% Package:25KG
Company Name: Hebei Yanxi Chemical Co., Ltd.
Tel: +8617531190177
Email: peter@yan-xi.com
Products Intro: Product Name:2-Ethyl-3-methylpyrazine
CAS:15707-23-0
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Company Name: Hebei Chuanghai Biotechnology Co,.LTD
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Products Intro: Product Name:2-Ethyl-3-Methylpyrazine
CAS:15707-23-0
Purity:99% Package:1KG;5.00;USD|10KG;3.00;USD|50KG;2.00;USD
Company Name: Hebei Weibang Biotechnology Co., Ltd
Tel: +8617732866630
Email: bess@weibangbio.com
Products Intro: Product Name:2-Ethyl-3-methylpyrazine
CAS:15707-23-0
Purity:99% Package:200KG;0.00;USD

2-Ethyl-3-methylpyrazine manufacturers
2-Ethyl-3-methylpyrazine Basic information
Product Name:2-Ethyl-3-methylpyrazine
Synonyms:2-ethyl-3-methyl-pyrazin;Pyrazine, 3-ethyl-2-methyl;2-ETHYL-3-METHYLPYRAZINE;2-METHYL-3-ETHYLPYRAZINE;3-ETHYL-2-METHYLPYRAZINE;ETHYL-3-METHYLPYRAZINE,2-;FEMA NUMBER 3155;FEMA 3155
CAS:15707-23-0
MF:C7H10N2
MW:122.17
EINECS:239-799-8
Product Categories:Mono- & Polyalkylpyrazines;pyrazine Flavor;Alphabetical Listings;E-F;Flavors and Fragrances;Pyrazine;Pyrazines
Mol File:15707-23-0.mol
2-Ethyl-3-methylpyrazine Structure
2-Ethyl-3-methylpyrazine Chemical Properties
Boiling point 57 °C10 mm Hg(lit.)
density 0.987 g/mL at 25 °C
vapor pressure 1.74hPa at 20℃
refractive index n20/D 1.503(lit.)
FEMA 3155 | 2-ETHYL-3-METHYLPYRAZINE
Fp 138 °F
storage temp. Sealed in dry,Room Temperature
solubility sparingly soluble
pka1.94±0.10(Predicted)
Specific Gravity0.987
color Colorless to Light yellow
Odorat 0.10 % in dipropylene glycol. nutty peanut musty corn raw earthy bread
Odor Typenutty
Water Solubility sparingly soluble
JECFA Number768
BRN 956775
LogP1.42 at 25℃
CAS DataBase Reference15707-23-0(CAS DataBase Reference)
NIST Chemistry ReferencePyrazine, 2-ethyl-3-methyl-(15707-23-0)
EPA Substance Registry SystemPyrazine, 2-ethyl-3-methyl- (15707-23-0)
Safety Information
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
MSDS Information
ProviderLanguage
2-Ethyl-3-methylpyrazine English
SigmaAldrich English
ACROS English
ALFA English
2-Ethyl-3-methylpyrazine Usage And Synthesis
Chemical Propertiesclear colorless to slightly yellow liquid
Chemical Properties2-Ethyl-3-methylpyrazine has a strong, raw-potato, roasted, earthy odor.
OccurrenceReported 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.
UsesFood additive.
Uses2-Ethyl-3-methylpyrazine is used in preparation of Chinese chestnut pyrolyzate and their application to e-cigarette.
PreparationBy condensation of ethylenediamine with 2,3-pentanedione.
DefinitionChEBI: 2-Ethyl-3-methylpyrazine, 9CI is a member of pyrazines.
Aroma threshold valuesDetection: 2 ppm (130 ppb in water)
Taste threshold valuesTaste characteristics at 10 ppm: nutty, peanut, musty corn-like with raw and oily nuances.
HazardModerately toxic by ingestion.
Flammability and ExplosibilityNot classified
Safety ProfileModerately toxic by ingestion. When heated to decomposition it emits acrid smoke and irritating fumes.
2-Ethyl-3-methylpyrazine Preparation Products And Raw materials
Raw materialsEthylenediamine-->Acetylacetone
Preparation Products2-Acetyl-3-ethylpyrazine
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