| Molecular Formula | C13H13NO3 |
| Molar Mass | 231.25 |
| Density | 1.148g/cm3 |
| Boling Point | 372.9°C at 760 mmHg |
| Flash Point | 179.3°C |
| Vapor Presure | 9.34E-06mmHg at 25°C |
| Storage Condition | Room Temprature |
| Refractive Index | 1.532 |
| Physical and Chemical Properties | Crystallization. Melting point 49. |
| use | side chain of penicillin sodium. |
| Production method | Benzaldehyde and hydroxylamine hydrochloride can be heated together to form benzoxime, and then chlorinated with chlorine to obtain benzoxime, The latter is cyclized with ethyl acetoacetate to prepare the product. |