| Preferred name | 2-acetyl-5-methyl pyrazine |
| Trivial Name | 1-(5-methylpyrazin-2-yl)ethanone |
| Formula | C7 H8 N2 O |
| CAS Number | 22047-27-4 |
| Flavis Number | 14.084 |
| FDA UNII | X6TS3KS3X3 |
| Nikkaji Number | J620.078H |
| MDL | MFCD00055037 |
| COE Number | 11297 |
| xLogP3-AA | 0.20 (est) |
| NMR Predictor | External link |
| Synonyms |
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| 1-(5-methylpyrazin-2-yl)ethanone | |
| NIST Chemistry WebBook: | Search Inchi |
| Pubchem (cid): | 30915 |
| Pubchem (sid): | 134993898 |
| (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 |
| HMDB (The Human Metabolome Database): | Search |
| VCF-Online: | VCF Volatile Compounds in Food |
| ChemSpider: | View |
| Material listed in food chemical codex | No |
| Molecular weight | 136.15396118164 |
| Boiling Point | 226 to 228°C @ 760 mm Hg |
| Vapor Pressure | 0.07 mmHg @ 25 °C |
| Flash Point TCC Value | 95 °C TCC |
| logP (o/w) | 0.447 est |
| Solubility | |
| alcohol | Yes |
| water, 6.241e+004 mg/L @ 25 °C (est) | Yes |
| water | No |
| Odor Type: Nutty | |
| popcorn, nutty | |
| General comment | At 0.01 % in propylene glycol. popcorn |
| (data available) |
| 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: | |
| Not determined | |
| Dermal Toxicity: | |
| Not determined | |
| Inhalation Toxicity: | |
| Not determined | |
| Category: | |||
| flavoring agents | |||
| Recommendation for 2-acetyl-5-methyl pyrazine usage levels up to: | |||
| not for fragrance use. | |||
| Maximised Survey-derived Daily Intakes (MSDI-EU): | 0.0024 (μg/capita/day) | ||
| Modified Theoretical Added Maximum Daily Intake (mTAMDI): | 270 (μg/person/day) | ||
| Threshold of Concern: | 540 (μg/person/day) | ||
| Structure Class: | II | ||
| Food categories according to Commission Regulation EC No. 1565/2000 (EC, 2000) in FGE.06 (EFSA, 2002a). According to the Industry the "normal" use is defined as the average of reported usages and "maximum use" is defined as the 95th percentile of reported usages (EFSA, 2002i). | |||
| Note: mg/kg = 0.001/1000 = 0.000001 = 1/1000000 = ppm. | |||
| average usage mg/kg | maximum usage mg/kg | ||
| Dairy products, excluding products of category 02.0 (01.0): | 0.40000 | 2.00000 | |
| Fats and oils, and fat emulsions (type water-in-oil) (02.0): | 0.10000 | 0.50000 | |
| Edible ices, including sherbet and sorbet (03.0): | 0.40000 | 2.00000 | |
| Processed fruit (04.1): | 0.40000 | 2.00000 | |
| Processed vegetables (incl. mushrooms & fungi, roots & tubers, pulses and legumes), and nuts & seeds (04.2): | - | - | |
| Confectionery (05.0): | 1.00000 | 5.00000 | |
| Chewing gum (05.3): | - | - | |
| Cereals and cereal products, incl. flours & starches from roots & tubers, pulses & legumes, excluding bakery (06.0): | 0.20000 | 1.00000 | |
| Bakery wares (07.0): | 1.00000 | 5.00000 | |
| Meat and meat products, including poultry and game (08.0): | 0.10000 | 0.50000 | |
| Fish and fish products, including molluscs, crustaceans and echinoderms (MCE) (09.0): | 0.10000 | 0.50000 | |
| Eggs and egg products (10.0): | - | - | |
| Sweeteners, including honey (11.0): | - | - | |
| Salts, spices, soups, sauces, salads, protein products, etc. (12.0): | 0.10000 | 0.50000 | |
| Foodstuffs intended for particular nutritional uses (13.0): | 0.20000 | 1.00000 | |
| Non-alcoholic ("soft") beverages, excl. dairy products (14.1): | 0.20000 | 1.00000 | |
| Alcoholic beverages, incl. alcohol-free and low-alcoholic counterparts (14.2): | 1.00000 | 5.00000 | |
| Ready-to-eat savouries (15.0): | 1.00000 | 5.00000 | |
| Composite foods (e.g. casseroles, meat pies, mincemeat) - foods that could not be placed in categories 01.0 - 15.0 (16.0): | 0.20000 | 1.00000 | |
| 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 |
| Scientific Opinion on Flavouring Group Evaluation 17, Revision 3 (FGE.17Rev3): Pyrazine derivatives from chemical group 24 View page or View pdf |
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| Laboratory Chemical Safety Summary :30915 |
| National Institute of Allergy and Infectious Diseases:Data |
| 1-(5-methylpyrazin-2-yl)ethanone |
| Chemidplus:0022047274 |