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chocolate pyrazine A
General Material Information
| Preferred name | chocolate pyrazine A |
| Trivial Name | 2-Methoxy-3(or 5)-methylpyrazine |
| Short Description | 2-methoxy-3-methylpyrazine + 2-methoxy-5-methylpyrazine |
| Formula | C6 H8 N2 O |
| CAS Number | 68378-13-2 |
| FEMA Number | 3183 |
| ECHA Number | 269-881-9 |
| FDA UNII | Search |
| COE Number | 2266 |
| xLogP3-AA | -0.50 (est) |
| NMR Predictor | External link |
| FDA Patent | No longer provide for the use of these seven synthetic flavoring substances |
| FDA Mainterm | 977044-49-7 ; (2 OR 5 OR 6)-METHOXY-3-METHYLPYRAZINE (MIXTURE OF ISOMERS) |
| Synonyms |
|
US / EU / FDA / JECFA / FEMA / Scholar / Patents
| 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 |
Literature & References
| 2-(methoxymethyl)pyrazine | |
| NIST Chemistry WebBook: | Search Inchi |
| Canada Domestic Sub. List: | 68378-13-2 |
| Pubchem (cid): | 113204 |
| Pubchem (sid): | 135069077 |
| Publications by US Patents | |
| 3,952,024 - Furfurylthioacetone | |
Other Information
| (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): | Search |
| Export Tariff Code: | 2933.90 |
| VCF-Online: | VCF Volatile Compounds in Food |
| ChemSpider: | View |
Suppliers
PhysChem Properties
| Material listed in food chemical codex | Yes |
| Molecular weight | 124.14295959473 |
| Specific gravity | @ 25 °C |
| Pounds per Gallon | 8.82 to 9.07 |
| Boiling Point | 48 to 50°C @ 15 mm Hg |
| Boiling Point | 169 to 170°C @ 760 mm Hg |
| Vapor Pressure | 2.041 mmHg @ 25 °C |
| Vapor Density | 4.2 |
| Flash Point TCC Value | 54.44 °C TCC |
| logP (o/w) | -0.54 |
| Shelf life | 24 months (or longer if stored properly.) |
| Storage notes | Store in cool, dry place in tightly sealed containers, protected from heat and light. |
| Solubility | |
| alcohol | Yes |
| water | Yes |
| water, 8457 mg/L @ 25 °C (est) | Yes |
| Stability | |
| stable in most media | Unspecified |
Organoleptic Properties
| Odor Type: Chocolate | |
| chocolate, cocoa, almond roasted almond, hazelnut roasted hazelnut, peanut roasted peanut, nutty | |
| General comment | At 0.10 % in propylene glycol. chocolate cocoa roasted almond hazelnut peanut nutty |
Occurrences
| (data available) |
Potential Uses
| Applications | |
| Odor purposes | Almond , Coffee , Hazelnut , Peanut |
| Flavoring purposes | Almond toasted almond , Caramel , Chocolate cacao , Chocolate cocoa , Nut |
Safety Information
Safety information
| 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 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: | |
| Not determined | |
| Dermal Toxicity: | |
| Not determined | |
| Inhalation Toxicity: | |
| Not determined | |
Safety in use information
| 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 chocolate pyrazine A usage levels up to: | |||
| 0.1000 % in the fragrance concentrate. | |||
| 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: | - | 4.00000 | |
| beverages(nonalcoholic): | - | - | |
| beverages(alcoholic): | - | - | |
| breakfast cereal: | - | - | |
| cheese: | - | - | |
| chewing gum: | - | - | |
| condiments / relishes: | - | - | |
| confectionery froastings: | - | - | |
| egg products: | - | - | |
| fats / oils: | - | - | |
| fish products: | - | - | |
| frozen dairy: | - | 2.00000 | |
| fruit ices: | - | 2.00000 | |
| gelatins / puddings: | - | 2.00000 | |
| granulated sugar: | - | - | |
| gravies: | - | - | |
| hard candy: | - | 4.00000 | |
| 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: | - | - | |
| soups: | - | - | |
| sugar substitutes: | - | - | |
| sweet sauces: | - | - | |
Safety references
| EPI System: View |
| AIDS Citations:Search |
| Cancer Citations:Search |
| Toxicology Citations:Search |
| EPA Substance Registry Services (TSCA):68378-13-2 |
| EPA ACToR:Toxicology Data |
| EPA Substance Registry Services (SRS):Registry |
| Laboratory Chemical Safety Summary :113204 |
| National Institute of Allergy and Infectious Diseases:Data |
| WISER:UN 1993 |
| WGK Germany:3 |
| 2-(methoxymethyl)pyrazine |
| Chemidplus:0068378132 |