| Molecular Formula | C6H7NO |
| Molar Mass | 109.13 |
| Density | 1.016 g/mL at 25 °C (lit.) |
| Boling Point | 87-90 °C/22 mmHg (lit.) |
| Flash Point | 162°F |
| JECFA Number | 2152 |
| Solubility | Chloroform, Methanol |
| Vapor Presure | 0.418mmHg at 25°C |
| Appearance | Liquid |
| Color | Clear |
| BRN | 107811 |
| pKa | -6.88±0.70(Predicted) |
| Storage Condition | 2-8°C |
| Sensitive | Air Sensitive |
| Refractive Index | n20/D 1.560 |
| Hazard Symbols | Xi - Irritant![]() |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
| WGK Germany | 3 |
| RTECS | UX9350000 |
| FLUKA BRAND F CODES | 8-10-23 |
| HS Code | 29339990 |
| FEMA | 4332 | 1-METHYL-1H-PYRROLE-2-CARBOXALDEHYDE |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| category | toxic substances |
| toxicity grade | poisoning |
| Acute toxicity | intravenous-mouse LD50: 180 mg/kg |
| flammability hazard characteristics | open flame flammability; Toxic NOx smoke from combustion |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; It is stored separately from oxidants and food additives |
| fire extinguishing agent | water, foam, carbon dioxide, sand |