| Product Name | pyrazine |
| CAS No. | 290-37-9 |
| Synonyms | 1,4-Diazine |
| InChI | InChI=1/C4H4N2/c1-2-6-4-3-5-1/h1-4H |
| Molecular Formula | C4H4N2 |
| Molecular Weight | 80.088 |
| Density | 1.055g/cm3 |
| Melting point | 52-56℃ |
| Boiling point | 118.6°C at 760 mmHg |
| Flash point | 55.6°C |
| Water solubility | SOLUBLE |
| Refractive index | 1.503 |
| Hazard Symbols |  F:Flammable;  Xi:Irritant; |
| Risk Codes | R11:; R36/37/38:; |
| Safety | S16:; S26:; S36:; |
290-37-9 pyrazine
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