| Preferred name | 2-mercaptomethyl pyrazine |
| Trivial Name | Pyrazinemethanethiol |
| Short Description | 2-(mercaptomethyl)pyrazine |
| Formula | C5 H6 N2 S |
| CAS Number | 59021-02-2 |
| FEMA Number | 3299 |
| Flavis Number | 14.053 |
| FDA UNII | CUV3XV379F |
| Nikkaji Number | J429.384C |
| Beilstein Number | 0878425 |
| COE Number | 11502 |
| NMR Predictor | External link |
| JECFA Food Flavoring | 794 2-(mercaptomethyl)pyrazine |
| FDA Patent | No longer provide for the use of these seven synthetic flavoring substances |
| FDA Mainterm | 59021-02-2 ; 2-MERCAPTOMETHYLPYRAZINE |
| 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 |
| pyrazin-2-ylmethanethiol | |
| NIST Chemistry WebBook: | Search Inchi |
| Canada Domestic Sub. List: | 59021-02-2 |
| Pubchem (cid): | 62145 |
| Pubchem (sid): | 135020126 |
| 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 |
| HMDB (The Human Metabolome Database): | HMDB36186 |
| FooDB: | FDB015040 |
| ChemSpider: | View |
| Material listed in food chemical codex | No |
| Molecular weight | 126.18182373047 |
| Specific gravity | @ 25 °C |
| Pounds per Gallon | |
| Boiling Point | 44 to 45°C @ 0.07 mm Hg |
| Vapor Pressure | 0.134 mmHg @ 25 °C |
| Flash Point TCC Value | 60 °C TCC |
| logP (o/w) | 0.633 est |
| Solubility | |
| alcohol | Yes |
| water | Yes |
| water, 4.075e+004 mg/L @ 25 °C (est) | Yes |
| Odor Type: Caramellic | |
| meaty roasted meaty | |
| General comment | At 0.10 % in propylene glycol. roasted in sugar syrup meaty |
| Flavor Type: Meaty | |
| meaty roasted meaty | |
| General comment | Roasted meat-like |
| 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 [sex: M,F] 2100 mg/kg (Burdock & Ford, 1990b) oral-rat LD50 1700 mg/kg KIDNEY, URETER, AND BLADDER: OTHER CHANGES BEHAVIORAL: TREMOR LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES Acute Toxicity Data. Journal of the American College of Toxicology, Part B. Vol. 1, Pg. 4, 1990. intraperitoneal-mouse LD50 100 mg/kg European Journal of Medicinal Chemistry--Chimie Therapeutique. Vol. 18, Pg. 515, 1983. | |
| Dermal Toxicity: | |
| Not determined | |
| Inhalation Toxicity: | |
| Not determined | |
| Category: | |||
| flavoring agents | |||
| Recommendation for 2-mercaptomethyl pyrazine usage levels up to: | |||
| not for fragrance use. | |||
| Maximised Survey-derived Daily Intakes (MSDI-EU): | 0.012 (μg/capita/day) | ||
| Maximised Survey-derived Daily Intakes (MSDI-USA): | 0.01 (μg/capita/day) | ||
| Structure Class: | III | ||
| 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: 5 | |||
| Click here to view publication 5 | |||
| average usual ppm | average maximum ppm | ||
| baked goods: | - | 10.00000 | |
| beverages(nonalcoholic): | - | - | |
| beverages(alcoholic): | - | - | |
| breakfast cereal: | - | - | |
| cheese: | - | - | |
| chewing gum: | - | - | |
| condiments / relishes: | - | 10.00000 | |
| confectionery froastings: | - | - | |
| egg products: | - | - | |
| fats / oils: | - | - | |
| fish products: | - | - | |
| frozen dairy: | - | - | |
| fruit ices: | - | - | |
| gelatins / puddings: | - | - | |
| granulated sugar: | - | - | |
| gravies: | - | 10.00000 | |
| hard candy: | - | - | |
| imitation dairy: | - | - | |
| instant coffee / tea: | - | - | |
| jams / jellies: | - | - | |
| meat products: | - | 10.00000 | |
| milk products: | - | - | |
| nut products: | - | - | |
| other grains: | - | - | |
| poultry: | - | - | |
| processed fruits: | - | - | |
| processed vegetables: | - | - | |
| reconstituted vegetables: | - | - | |
| seasonings / flavors: | - | - | |
| snack foods: | - | - | |
| soft candy: | - | - | |
| soups: | - | 10.00000 | |
| 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 |
| EPI System: View |
| AIDS Citations:Search |
| Cancer Citations:Search |
| Toxicology Citations:Search |
| EPA Substance Registry Services (TSCA):59021-02-2 |
| EPA ACToR:Toxicology Data |
| EPA Substance Registry Services (SRS):Registry |
| Laboratory Chemical Safety Summary :62145 |
| National Institute of Allergy and Infectious Diseases:Data |
| WGK Germany:3 |
| pyrazin-2-ylmethanethiol |
| Chemidplus:0059021022 |