2,3,5-trimethyl pyrazine
2,3,5-trimethylpyrazine
Identification
| Name | 2,3,5-trimethyl pyrazine |
| IUPAC | 2,3,5-trimethylpyrazine |
| CAS Number | 14667-55-1 |
| EINECS | 238-712-0 |
| FDA UNII | Q8PR0W8TIT |
| Molecular Formula | C7 H10 N2 |
| Molecular Weight | 122.17070000 |
| MDL Number | MFCD00006145 |
| Nikkaji Number | J27.872F |
| Beilstein | 0002423 |
| CoE Number | 735 |
| XlogP3 | 1.00 (est) |
Regulatory
| JECFA Food Flavoring | 774 2,3,5-trimethylpyrazine |
| DG SANTE Food Flavourings | 14.019 2,3,5-trimethylpyrazine |
| FEMA Number | 3244 |
| FDA | No longer provide for the use of these seven synthetic flavoring substances |
| FDA Mainterm (SATF) | 14667-55-1 ; 2,3,5-TRIMETHYLPYRAZINE |
Physical Properties
| Appearance | colorless to pale yellow clear liquid (est) |
| Assay | 98.00 to 100.00 |
| Food Chemicals Codex Listed | Yes |
| Specific Gravity | 0.96500 to 0.98500 @ 25.00 °C. |
| Pounds per Gallon - (est). | 8.030 to 8.196 |
| Refractive Index | 1.49000 to 1.51000 @ 20.00 °C. |
| Boiling Point | 171.00 to 172.00 °C. @ 760.00 mm Hg |
| Vapor Pressure | 1.724000 mmHg @ 25.00 °C. (est) |
| Vapor Density | 4.2 ( Air = 1 ) |
| Flash Point | 130.00 °F. TCC ( 54.44 °C. ) |
| logP (o/w) | 0.950 |
| Soluble in | alcohol |
| Stability | non-discoloring in most media |
Cosmetic Information
| CosIng | cosmetic data |
| Cosmetic Uses | perfuming agents |
Organoleptic Properties
| Odor Strength | high , |
| Substantivity | 21 hour(s) at 0.05 % in ethyl alcohol |
| Odor Description |
at 0.01 % in dipropylene glycol. Nutty, musty, powdery cocoa, potato and musty Nutty, baked potato, roasted peanut, cocoa, burnt notes chocolate, hazelnut, baked-potato, musty, natural, nutty, roasted The strong aroma of roasted hazelnuts and peanuts, baked potatoes with hints of cocoa beans Roast, peanut, filbert, cocoa
|
| Odor sample from | CA Aromatics Company Inc. |
| Taste Description |
raw nut skin vegetable cocoa toasted earthy chocolate coffee at 80.00 ppm. nutty Powerful toasted, nutty, earthy, chocolate and coffee notes
|
Safety Information
| Preferred SDS | View |
| European information | Most important hazard(s): |
| Oral/Parenteral Toxicity | gavage-rat LD50 806 mg/kg |
| Dermal Toxicity | Not determined |
| Inhalation Toxicity | Not determined |
GHS Classification
['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']
Safety in Use
| Category | cosmetic, flavor and fragrance agents |
| RIFM Fragrance Material Safety Assessment | Search |
| Recommendation for 2,3,5-trimethyl pyrazine usage levels up to | 0.1000 % in the fragrance concentrate. |
| Maximised Survey-derived Daily Intakes (MSDI-EU) | 100.00 (μg/capita/day) |
| Maximised Survey-derived Daily Intakes (MSDI-USA) | 46.00 (μg/capita/day) |
| Structure Class | II |
| baked goods | 5.00000 |
| beverages(nonalcoholic) | 5.00000 |
| beverages(alcoholic) | - |
| breakfast cereal | - |
| cheese | - |
| chewing gum | - |
| condiments / relishes | - |
| confectionery froastings | - |
| egg products | - |
| fats / oils | - |
| fish products | - |
| frozen dairy | - |
| fruit ices | - |
| gelatins / puddings | - |
| granulated sugar | - |
| gravies | - |
| hard candy | 5.00000 |
| 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 | - |
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