| Chinese alias | Piperazine anhydrous; Diethylene diamine; 1,4-Diazacyclohexane; piperazinediium | 
| Appearance | Colorless crystal with saline taste and ammonia odor. | 
| Structural formula | .jpg) | 
| CAS NO. | 110-85-0 | 
| EINECS | 203-808-3 | 
| Molecular formula | C4H10N2 | 
| Molecular Weight | 86.14 | 
| Melting point (℃) | 109.6 | 
| Boiling range | 148.5 | 
| Uses | Pharmaceutical intermediate, mainly used in the production of piperazine phosphate, piperazine citrate, bucinnazine, and rifampicin | 
| Physicochemical properties | Saturated vapor pressure (kPa): 30.3/111℃ | 
| Hazards | Health hazard: Contact, inhalation or percutaneous absorption can cause weakness, blurred vision, ataxia, etc. | 
| First aid measures | Skin contact: Take off the polluted clothing immediately, rinse with plenty of flow and clear water for at least 15 minutes, seek medical advice. | 
| Fire-fighting measures | Harmful combustion products: Carbon monoxide, carbon dioxide and nitric oxide. | 
| ACCIDENTAL | Emergency treatment: The contaminated areas should be isolated, cut off the source of ignition. The emergency treatment personnel shall wear dust mark, acid and alkali resistant clothes. | 
| Operation and storage | Operation: The operator should be specially trained, follow the operating instruction. The operator should wear self-inhalation filter type dust respirator, chemical safety glasses, rubber acid and | 
 
  
 
 
 


