W314900

2-Ethyl-3(5 or 6)-dimethylpyrazine, mixture of isomers

≥95%, FG

• Synonyme(s) : 2-ethyl-3,5(or 6)-dimethylpyrazine
• Formule empirique (notation de Hill): C₈H₁₂N₂
• Numéro CAS: 27043-05-6
• Poids moléculaire : 136.19
• Numéro FEMA: 3149
• Conseil de l'Europe Nº : 2246
• Code UNSPSC : 12164502
• ID de substance PubChem : 24901491
• Numéro Flavis : 14.100
• Nomenclature NACRES : NA.21

Propriétés

• Source biologique: synthetic
• Niveau de qualité: 400
• Qualité: FG; Fragrance grade; Halal; Kosher
• Agence: follows IFRA guidelines
• Conformité réglementaire: EU Regulation 1223/2009; EU Regulation 1334/2008 & 178/2002
• Pureté: ≥95%
• Indice de réfraction: n20/D 1.5015 (lit.)
• Point d'ébullition: 180-181 °C (lit.)
• Densité: 0.965 g/mL at 25 °C (lit.)
• Application(s): flavors and fragrances
• Documentation: see Safety & Documentation for available documents
• Allergène alimentaire: no known allergens
• Allergène de parfum: no known allergens
• Propriétés organoleptiques: chocolate; hazelnut; nutty; peanut; roasted
• Chaîne SMILES: CCc1ncc(C)nc1C.CCc2nc(C)cnc2C
• InChI: 1S/2C8H12N2/c1-4-8-7(3)10-6(2)5-9-8;1-4-8-7(3)9-5-6(2)10-8/h2*5H,4H2,1-3H3
• Clé InChI: BOFLOMVCGPWPQC-UHFFFAOYSA-N

Description

Description générale

2-Ethyl-3(5 or 6)-dimethylpyrazine, a mixture of isomers are odor-active pyrazine compounds that are typically found in roasted foods formed due to Maillard reaction and pyrolysis of serine and threonine.

Application

• Characterization of Flavor Profile of Sauced Pork from Different Regions of China Based on E-Nose, E-Tongue and Gas Chromatography-Ion Mobility Spectroscopy.: This study by Yuan et al. characterizes the flavor profile of sauced pork using various sensory and chromatographic techniques, including gas chromatography-ion mobility spectroscopy. It identifies key aroma compounds, including 2-ethyl-3,5(6)-dimethylpyrazine, contributing to the overall flavor profile (Yuan et al., 2024).


• The effect of thermal times of circulating non-fried roast technique on the formation of (non)volatile compounds in roasted mutton by multi-chromatography techniques and heat transfer analysis.: Liu et al. explore how different thermal processing times affect the formation of volatile and non-volatile compounds in roasted mutton, highlighting the presence of 2-ethyl-3,5(6)-dimethylpyrazine among the key aroma contributors (Liu et al., 2023).


• Investigation of the effect of over-fired drying on the taste and aroma of Lu′an Guapian tea using metabolomics and sensory histology techniques.: Zhang et al. investigate how over-fired drying affects the aroma and taste of Lu′an Guapian tea, identifying 2-ethyl-3,5(6)-dimethylpyrazine as a significant aroma compound (Zhang et al., 2024).


• Unveiling the aromatic intricacies of Wuyi Rock Tea: A comparative study on sensory attributes and odor-active compounds of Rougui and Shuixian varieties.: This comparative study by Wang et al. examines the sensory attributes and odor-active compounds of Wuyi Rock Tea, highlighting the role of 2-ethyl-3,5(6)-dimethylpyrazine in the aroma profile (Wang et al., 2024).


• Characterization of the Key Aroma Compounds in Dong Ding Oolong Tea by Application of the Sensomics Approach.: Wang et al. characterize the key aroma compounds in Dong Ding Oolong tea, identifying 2-ethyl-3,5(6)-dimethylpyrazine as one of the major contributors to its distinct aroma profile (Wang et al., 2023).

Actions biochimiques/physiologiques

Taste at 5 ppm

Autres remarques

Natural occurrence: Burley and Virginia tobacco, cocoa, coffee, cooked beef, peanut, Swiss cheese.

Informations sur la sécurité

• Pictogrammes: GHS07
• Mention d'avertissement: Warning
• Mentions de danger: H302,H315,H319,H335
• Conseils de prudence: P261 - P264 - P271 - P301 + P312 - P302 + P352 - P305 + P351 + P338
• Classification des risques: Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• Organes cibles: Respiratory system
• Code de la classe de stockage: 10 - Combustible liquids
• Classe de danger pour l'eau (WGK): WGK 3
• Point d'éclair (°F): 156.2 °F
• Point d'éclair (°C): 69 °C
• Équipement de protection individuelle: Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter