| Molecular Formula | C6H6N2O |
| Molar Mass | 122.12 |
| Density | 1.2236 (rough estimate) |
| Melting Point | 110-112°C(lit.) |
| Boling Point | 227.52°C (rough estimate) |
| Flash Point | 94.799°C |
| Water Solubility | 15 g/L (20 ºC) |
| Solubility | methanol: 0.1g/mL, clear |
| Vapor Presure | 0.02-0.041Pa at 20-25℃ |
| Appearance | Solid |
| Color | Off-White |
| BRN | 109061 |
| pKa | pK1: 3.42(+1);pK2: 10.22(0) (25°C) |
| Storage Condition | Store below +30°C. |
| Refractive Index | 1.4738 (estimate) |
| MDL | MFCD00006354 |
| Risk Codes | R22 - Harmful if swallowed R37/38 - Irritating to respiratory system and skin. R41 - Risk of serious damage to eyes R36/37/38 - Irritating to eyes, respiratory system and skin. R20/22 - Harmful by inhalation and if swallowed. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S37/39 - Wear suitable gloves and eye/face protection |
| WGK Germany | 3 |
| RTECS | TJ4180000 |
| HS Code | 29333999 |
| Hazard Note | Irritant |
| Toxicity | LD50 intraperitoneal in mouse: 200mg/kg |
| LogP | 0.3 at 25℃ |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| Use | functional pyridine derivatives; Pharmaceutical and polymer industrial intermediates, metal complexing agents, catalysts, peroxide stabilizers, heat-sensitive ink components; Photo-imaging additives. |