| Product Name | Pyrazole |
| CAS No. | 288-13-1 |
| Synonyms | 1,2-Diazole; Pyrazol; 1,2-Diazole; 1H-pyrazole |
| InChI | InChI=1/C3H4N2/c1-2-4-5-3-1/h1-3H,(H,4,5) |
| Molecular Formula | C3H4N2 |
| Molecular Weight | 68.0773 |
| Density | 1.116g/cm3 |
| Melting point | 66-70℃ |
| Boiling point | 187°C at 760 mmHg |
| Flash point | 87.5°C |
| Water solubility | SOLUBLE |
| Refractive index | 1.528 |
| Hazard Symbols |  Xn:Harmful; |
| Risk Codes | R22:; R36/37/38:; |
| Safety | S26:; S37/39:; |
288-13-1 pyrazole
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