| Molecular Formula | C5H5N3O |
| Molar Mass | 123.11 |
| Density | 1.29g/mLat 25°C(lit.) |
| Melting Point | 5-6°C(lit.) |
| Boling Point | 187°C(lit.) |
| Flash Point | 185°F |
| Vapor Presure | 0.3 mm Hg ( 20 °C) |
| Storage Condition | Keep in dark place,Inert atmosphere,Room temperature |
| Refractive Index | n20/D 1.480(lit.) |
| Hazard Symbols | T+ - Very toxic![]() |
| Risk Codes | R22 - Harmful if swallowed R24 - Toxic in contact with skin R26 - Very Toxic by inhalation R33 - Danger of cumulative effects |
| Safety Description | S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
| UN IDs | UN 2948 6.1/PG 2 |
| WGK Germany | 2 |
| RTECS | XU9180000 |