pyrazine
1,4-diazabenzene
Identification
| Name | pyrazine |
| IUPAC | pyrazine |
| CAS Number | 290-37-9 |
| EINECS | 206-027-6 |
| FDA UNII | 2JKE371789 |
| Molecular Formula | C4 H4 N2 |
| Molecular Weight | 80.08988000 |
| MDL Number | MFCD00006122 |
| Nikkaji Number | J2.569K |
| Beilstein | 0103905 |
| CoE Number | 11363 |
| XlogP3 | -0.20 (est) |
Regulatory
| JECFA Food Flavoring | 951 pyrazine |
| DG SANTE Food Flavourings | 14.144 pyrazine |
| FEMA Number | 4015 |
| FDA | No longer provide for the use of these seven synthetic flavoring substances |
| FDA Mainterm (SATF) | 290-37-9 ; PYRAZINE |
Physical Properties
| Appearance | colorless white crystalline waxy solid (est) |
| Assay | 98.00 to 100.00 |
| Food Chemicals Codex Listed | No |
| Melting Point | 53.00 to 56.00 °C. @ 760.00 mm Hg |
| Boiling Point | 115.00 to 116.00 °C. @ 760.00 mm Hg |
| Vapor Pressure | 19.740999 mmHg @ 25.00 °C. (est) |
| Flash Point | 132.00 °F. TCC ( 55.56 °C. ) |
| logP (o/w) | -0.260 |
| Soluble in | alcohol |
Organoleptic Properties
| Odor Description | at 0.10 % in propylene glycol. |
Safety Information
| Preferred SDS | View |
| European information | Most important hazard(s): |
| Oral/Parenteral Toxicity | intraperitoneal-mouse LD50 2730 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 | flavoring agents |
| Recommendation for pyrazine usage levels up to | not for fragrance use. |
| Maximised Survey-derived Daily Intakes (MSDI-EU) | 0.024 (μg/capita/day) |
| Maximised Survey-derived Daily Intakes (MSDI-USA) | 0.20 (μg/capita/day) |
| Structure Class | III |
| baked goods | 1.00000 |
| beverages(nonalcoholic) | 0.30000 |
| beverages(alcoholic) | 0.60000 |
| breakfast cereal | - |
| cheese | - |
| chewing gum | - |
| condiments / relishes | - |
| confectionery froastings | 0.60000 |
| egg products | - |
| fats / oils | - |
| fish products | - |
| frozen dairy | 0.60000 |
| fruit ices | - |
| gelatins / puddings | - |
| granulated sugar | - |
| gravies | - |
| hard candy | 1.00000 |
| imitation dairy | - |
| instant coffee / tea | - |
| jams / jellies | - |
| meat products | - |
| milk products | 0.30000 |
| nut products | - |
| other grains | - |
| poultry | - |
| processed fruits | - |
| processed vegetables | - |
| reconstituted vegetables | - |
| seasonings / flavors | - |
| snack foods | - |
| soft candy | 1.00000 |
| soups | - |
| sugar substitutes | - |
| sweet sauces | - |
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