| Preferred name | filbert pyrazine |
| Trivial Name | 2-Ethyl-3-methylpyrazine |
| Short Description | 2-ethyl-3-methylpyrazine |
| Formula | C7 H10 N2 |
| CAS Number | 15707-23-0 |
| FEMA Number | 3155 |
| Flavis Number | 14.006 |
| ECHA Number | 239-799-8 |
| FDA UNII | 9GF35MK66U |
| Nikkaji Number | J45.582B |
| Beilstein Number | 0956775 |
| MDL | MFCD00006150 |
| COE Number | 548 |
| NMR Predictor | External link |
| JECFA Food Flavoring | 768 2-ethyl-3-methylpyrazine |
| FDA Patent | No longer provide for the use of these seven synthetic flavoring substances |
| FDA Mainterm | 15707-23-0 ; 3-ETHYL-2-METHYLPYRAZINE |
| Synonyms |
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| Google Scholar | Start search |
| Google Books | Start search |
| Google Patents | Start search |
| Perfumer & Flavorists | Start search |
| EU Patents | Start search |
| PubMeb | Start search |
| NCBI | Start search |
| 2-ethyl-3-methylpyrazine | |
| NIST Chemistry WebBook: | Search Inchi |
| Canada Domestic Sub. List: | 15707-23-0 |
| Pubchem (cid): | 27457 |
| Pubchem (sid): | 134992121 |
| Flavornet: | 15707-23-0 |
| Publications by US Patents | |
| 3,952,024 - Furfurylthioacetone | |
| Certain 2,5-dimethyl-3-thiopyrazines | |
| (IUPAC): | Atomic Weights of the Elements 2011 (pdf) |
| Videos: | The Periodic Table of Videos |
| tgsc: | Atomic Weights use for this web site |
| (IUPAC): | Periodic Table of the Elements |
| FDA Substances Added to Food (formerly EAFUS): | View |
| CHEMBL: | View |
| HMDB (The Human Metabolome Database): | HMDB41254 |
| FooDB: | FDB021162 |
| Export Tariff Code: | 2933.59.9500 |
| VCF-Online: | VCF Volatile Compounds in Food |
| ChemSpider: | View |
| Material listed in food chemical codex | Yes |
| Molecular weight | 122.17070007324 |
| Specific gravity | @ 25 °C |
| Pounds per Gallon | 8.138 to 8.221 |
| Refractive Index | 1.502 to 1.505 @ 20 °C |
| Boiling Point | 169 to 171°C @ 760 mm Hg |
| Vapor Pressure | 1.689 mmHg @ 25 °C |
| Vapor Density | 4.2 |
| Flash Point TCC Value | 58.89 °C TCC |
| logP (o/w) | 1.07 |
| Solubility | |
| alcohol | Yes |
| water, 1.202e+004 mg/L @ 25 °C (est) | Yes |
| water | No |
| Stability | |
| non-discoloring in most media | Unspecified |
| stable in most media | Unspecified |
| Odor Type: Nutty | |
| nutty, peanut, musty, corn, raw, earthy, bready | |
| General comment | At 0.10 % in dipropylene glycol. nutty peanut musty corn raw earthy bread |
| Mosciano, Gerard P&F 14, No. 6, 47, (1989) | Nutty, peanut, musty, corn-like with raw earthy and bready nuances |
| Flavor Type: Nutty | |
| nutty, peanut, musty, corn, raw, oily | |
| Mosciano, Gerard P&F 14, No. 6, 47, (1989) | At 10.00 ppm. Nutty peanut, musty corn-like with raw and oily nuances |
| Used in nut, peanut, popcorn, cocoa and bread flavors. | Nutty |
| "nutty peanut, musty corn-like with raw and oily nuances" taste at 10 ppm. Similar in odour to 2,3-Diethylpyrazine in that this material has an earthy character. Useful in Roasted Nut, Chocolate, Vegetable and Tobacco flavors. Normal use levels in finished consumer product: 0.05-3 ppm. Council of Europe limits: Foods (5 ppm); Beverages (5 ppm). | Nutty |
| Useful in: brown nuts, brown cereals, brown cocoa, brown coffee, brown others, dairy, savory vegetable, savory meat. | Powerful pyrazine character, nutty, roasted |
| General comment | Cereal, nutty, burnt, peanut, musty corn-like, potato, hazelnut |
| (data available) |
| Applications | |
| Odor purposes | Tobacco |
| Flavoring purposes | Bread , Chocolate cocoa , Coffee , Corn , Filbert , Peanut , Popcorn , Potato , Vegetable |
| Cosmetic purposes | Perfuming agents |
| Preferred SDS: View | |
| European information : | |
| Most important hazard(s): | |
| Xn - Harmful. | |
| R 10 - Flammable. R 22 - Harmful if swallowed. R 36/37/38 - Irritating to eyes, respiratory system, and skin. S 02 - Keep out of the reach of children. S 20/21 - When using do not eat, drink or smoke. S 24/25 - Avoid contact with skin and eyes. S 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S 36/37/39 - Wear suitable clothing, gloves and eye/face protection. | |
| Hazards identification | |
| Classification of the substance or mixture | |
| GHS Classification in accordance with 29 CFR 1910 (OSHA HCS) | |
| None found. | |
| GHS Label elements, including precautionary statements | |
| Pictogram | |
| Hazard statement(s) | |
| None found. | |
| Precautionary statement(s) | |
| None found. | |
| Oral/Parenteral Toxicity: | |
| gavage-rat LD50 600 mg/kg (Moran et al., 1980) oral-rat LD50 600 mg/kg Drug and Chemical Toxicology. Vol. 3, Pg. 249, 1980. | |
| Dermal Toxicity: | |
| Not determined | |
| Inhalation Toxicity: | |
| Not determined | |
| Category: | |||
| flavor and fragrance agents | |||
| RIFM Fragrance Material Safety Assessment: Search | |||
| IFRA Code of Practice Notification of the 49th Amendment to the IFRA Code of Practice | |||
| Recommendation for filbert pyrazine usage levels up to: | |||
| 0.0500 % in the fragrance concentrate. | |||
| Maximised Survey-derived Daily Intakes (MSDI-EU): | 72.00 (μg/capita/day) | ||
| Maximised Survey-derived Daily Intakes (MSDI-USA): | 9.00 (μg/capita/day) | ||
| Structure Class: | II | ||
| Use levels for FEMA GRAS flavoring substances on which the FEMA Expert Panel based its judgments that the substances are generally recognized as safe (GRAS). | |||
| The Expert Panel also publishes separate extensive reviews of scientific information on all FEMA GRAS flavoring substances and can be found at FEMA Flavor Ingredient Library | |||
| publication number: 4 | |||
| Click here to view publication 4 | |||
| average usual ppm | average maximum ppm | ||
| baked goods: | - | - | |
| beverages(nonalcoholic): | - | 3.00000 | |
| beverages(alcoholic): | - | - | |
| breakfast cereal: | - | - | |
| cheese: | - | - | |
| chewing gum: | - | - | |
| condiments / relishes: | - | - | |
| confectionery froastings: | - | - | |
| egg products: | - | - | |
| fats / oils: | - | - | |
| fish products: | - | - | |
| frozen dairy: | - | 3.00000 | |
| fruit ices: | - | 3.00000 | |
| gelatins / puddings: | - | 3.00000 | |
| granulated sugar: | - | - | |
| gravies: | - | - | |
| hard candy: | - | 3.00000 | |
| imitation dairy: | - | - | |
| instant coffee / tea: | - | - | |
| jams / jellies: | - | - | |
| meat products: | - | - | |
| milk products: | - | - | |
| nut products: | - | - | |
| other grains: | - | - | |
| poultry: | - | - | |
| processed fruits: | - | - | |
| processed vegetables: | - | - | |
| reconstituted vegetables: | - | - | |
| seasonings / flavors: | - | - | |
| snack foods: | - | - | |
| soft candy: | - | 3.00000 | |
| soups: | - | - | |
| sugar substitutes: | - | - | |
| sweet sauces: | - | - | |
| European Food Safety Athority(EFSA):Flavor usage levels; Subacute, Subchronic, Chronic and Carcinogenicity Studies; Developmental / Reproductive Toxicity Studies; Genotoxicity Studies... |
| European Food Safety Authority (EFSA) reference(s): |
| Opinion of the Scientific Panel on food additives, flavourings, processing aids and materials in contact with food (AFC) on a request from the Commission related to Flavouring Group Evaluation 17 (FGE.17): Pyrazine derivatives from chemical group 24 (Commission Regulation (EC) No 1565/2000 of 18 July 2000) View page or View pdf |
| Flavouring Group Evaluation 50 (FGE.50): Consideration of pyrazine derivatives evaluated by JECFA (57th meeting) structurally related to pyrazine derivatives evaluated by EFSA in FGE.17 (2005) (Commission Regulation (EC) No 1565/2000 of 18 July 2000) - Opinion of the Scientific Panel on Food Additives, Flavourings, Processing Aids and Materials in contact with Food (AFC) View page or View pdf |
| Flavouring Group Evaluation 17, Revision 1 (FGE.17Rev1): Pyrazine derivatives from chemical group 24 - Opinion of the Scientific Panel on Food Additives, Flavourings, Processing Aids and Materials in contact with Food (AFC) [1] View page or View pdf |
| Scientific Opinion on Flavouring Group Evaluation 17, Revision 2 (FGE.17Rev2): Pyrazine derivatives from chemical group 24 View page or View pdf |
| Scientific Opinion on Flavouring Group Evaluation 50, Revision 1 (FGE.50Rev1): Consideration of pyrazine derivatives evaluated by JECFA (57th meeting) structurally related to pyrazine derivatives evaluated by EFSA in FGE.17Rev2 (2010) View page or View pdf |
| Safety and efficacy of pyrazine derivatives including saturated ones belonging to chemical group 24 when used as flavourings for all animal species View page or View pdf |
| EPI System: View |
| EPA Substance Registry Services (TSCA):15707-23-0 |
| EPA ACToR:Toxicology Data |
| EPA Substance Registry Services (SRS):Registry |
| Laboratory Chemical Safety Summary :27457 |
| National Institute of Allergy and Infectious Diseases:Data |
| WISER:UN 1993 |
| WGK Germany:3 |
| 2-ethyl-3-methylpyrazine |
| Chemidplus:0015707230 |
| RTECS:UQ3335000 for cas# 15707-23-0 |