| Molecular Formula | C5H8O2 |
| Molar Mass | 100.12 |
| Density | 1.027g/mLat 25°C(lit.) |
| Boling Point | 190-191°C745mm Hg(lit.) |
| Flash Point | 190°F |
| Vapor Presure | 0.229mmHg at 25°C |
| Specific Gravity | 1.027 |
| BRN | 2323873 |
| pKa | 4.88±0.11(Predicted) |
| Storage Condition | 2-8°C |
| Refractive Index | n20/D 1.439(lit.) |
| MDL | MFCD00001293 |
| Hazard Symbols | C - Corrosive![]() |
| Risk Codes | 34 - Causes burns |
| 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. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
| UN IDs | UN 3265 8/PG 2 |
| WGK Germany | 3 |
| HS Code | 29162090 |
| Hazard Class | 8 |
| Packing Group | II |