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Documenti fondamentali

W315508

Sigma-Aldrich

2-Ethyl-3-methylpyrazine

≥98%, FCC, FG

Sinonimo/i:

filbert pyrazine

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About This Item

Formula empirica (notazione di Hill):
C7H10N2
Numero CAS:
Peso molecolare:
122.17
Numero FEMA:
3155
Numero CE:
N° CoE:
548
Numero MDL:
Codice UNSPSC:
12164502
ID PubChem:
Numero Flavis:
14.006
NACRES:
NA.21

Origine biologica

synthetic

Livello qualitativo

Grado

FG
Halal
Kosher

Conformità normativa

EU Regulation 1334/2008 & 178/2002
FCC

Saggio

≥98%

Indice di rifrazione

n20/D 1.503 (lit.)

P. ebollizione

57 °C/10 mmHg (lit.)

Densità

0.987 g/mL at 25 °C

applicazioni

flavors and fragrances

Documentazione

see Safety & Documentation for available documents

Allergene alimentare

no known allergens

Organolettico

corn; musty; earthy; nutty; peanut

Stringa SMILE

CCc1nccnc1C

InChI

1S/C7H10N2/c1-3-7-6(2)8-4-5-9-7/h4-5H,3H2,1-2H3
LNIMMWYNSBZESE-UHFFFAOYSA-N

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Descrizione generale

2-Ethyl-3-methylpyrazine has been identified as a volatile flavor component in roasted cocoa beans, potato chips, roasted sesame seed and roasted parsley. This odor-active pyrazine compound is typically found in roasted foods due to Maillard reaction and pyrolysis of serine and threonine.

Applicazioni


  • RIFM fragrance ingredient safety assessment, 2-ethyl-3-methylpyrazine, CAS Registry Number 15707-23-0.: A comprehensive safety assessment of 2-ethyl-3-methylpyrazine as a fragrance ingredient, highlighting its chemical properties, usage levels, and toxicological profile (Api et al., 2024).

  • Fingerprint Analysis of Volatile Flavor Compounds in Crassostrea gigas of Different Ploidy and Gender under High-Temperature Incubation.: This study identifies and quantifies the volatile compounds in oysters, providing insights into how environmental and biological factors affect flavor profiles, with a specific mention of 2-ethyl-3-methylpyrazine (Sun et al., 2023).

  • Influence of Roasting Condition on Flavor Profile of Sunflower Seeds: A flavoromics approach.: Analyzes the impact of roasting conditions on the flavor profile of sunflower seeds, including the formation of 2-ethyl-3-methylpyrazine, which contributes to the roasted aroma (Guo et al., 2019).

  • Safety and efficacy of pyrazine derivatives including saturated ones belonging to chemical group 24 when used as flavourings for all animal species.: Evaluates the safety and effectiveness of 2-ethyl-3-methylpyrazine and related compounds in animal feed, detailing their impact on animal health and product safety (EFSA Panel on Additives and Products or Substances used in Animal Feed (FEEDAP) et al., 2017).

Pittogrammi

FlameExclamation mark

Avvertenze

Warning

Indicazioni di pericolo

Classi di pericolo

Acute Tox. 4 Oral - Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3

Organi bersaglio

Respiratory system

Codice della classe di stoccaggio

3 - Flammable liquids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

138.0 °F - closed cup

Punto d’infiammabilità (°C)

58.9 °C - closed cup

Dispositivi di protezione individuale

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter


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Characterization of volatile pyrazine and pyridine components of potato chips.
Buttery RG, et al.
Journal of Agricultural and Food Chemistry, 19(5), 969-971 (1971)
Steam volatile components of roasted barley.
Collins E
Journal of Agricultural and Food Chemistry, 19(3), 533-535 (1971)
Model reactions on roast aroma formation.
Baltes W & Bochmann G.
Zeitschrift fur Lebensmittel-Untersuchung Und -Forschung, 184(6), 485-493 (1987)
Some aroma components of roasted sesame seed (Sesamum indicum L.).
Manley CH, et al
Journal of Food Science, 39(1), 73-76 (1974)
Steam volatile aroma constituents of roasted cocoa beans.
Van Praag M, et al.
Journal of Agricultural and Food Chemistry, 16(6), 1005-1008 (1968)

Protocolli

Separation of 2-Ethyl-3-methylpyrazine; 1-Methylpyrrole; 2,3-Dimethylpyrazine; 2,5-Dimethylpyrazine; 2-Ethylpyrazine, ≥98%, FG; 2,3-Diethylpyrazine; 2-Methylpyrazine; Carbon disulfide; Dimethyl disulfide; 2,6-Dimethylpyrazine

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