| Name | Purine |
| Synonyms | Purine NSC 753 7H-purine Isopurine 7H-Purine 9H-Purine 5H-purine 1H-Purine beta-Purine 3,5,7-Triazaindole Imidazo(4,5-d)pyrimidine 6H-Imidazo[4,5-d]pyrimidine |
| CAS | 120-73-0 |
| EINECS | 204-421-2 |
| InChI | InChI=1/C5H4N4/c1-4-5(8-2-6-1)9-3-7-4/h1-4H |
| Molecular Formula | C5H4N4 |
| Molar Mass | 120.11 |
| Density | 1.3106 (rough estimate) |
| Melting Point | 214-217 °C (lit.) |
| Boling Point | 214.09°C (rough estimate) |
| Flash Point | 85°C |
| Water Solubility | 400 g/L (20 ºC) |
| Solubility | Water soluble 400g/L (20°C) |
| Vapor Presure | 0.0976mmHg at 25°C |
| Appearance | White to light yellow powder |
| Color | White |
| Merck | 7942 |
| BRN | 3200 |
| pKa | 2.3(at 20℃) |
| Storage Condition | Keep in dark place,Sealed in dry,Room Temperature |
| Refractive Index | 1.7380 (estimate) |
| MDL | MFCD00079221 |
| Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 3 |
| RTECS | UO7450000 |
| HS Code | 29335995 |
| Toxicity | LD50 intraperitoneal in rat: 800mg/kg |