| Names | |
|---|---|
|  Preferred IUPAC name  Piperidin-4-one  | |
| Other names  4-Piperidone Azinanone Azinan-4-one  | |
| Identifiers | |
3D model (JSmol)  | |
| ChemSpider | |
| ECHA InfoCard | 100.050.420 | 
| EC Number | 
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 PubChem CID  | |
| UNII | |
 CompTox Dashboard (EPA)  | |
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| Properties | |
| C5H9NO | |
| Molar mass | 99.133 g·mol−1 | 
| Boiling point | 79 °C (174 °F; 352 K) | 
| Hazards | |
| GHS labelling: | |
|   | |
| Warning | |
| H315, H319, H335 | |
| P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501 | |
| NFPA 704 (fire diamond) | |
| Flash point | 91 °C (196 °F; 364 K) | 
| Related compounds | |
Related compounds  | Piperidine; 2-Piperidinone | 
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).  | |
4-Piperidone is an organic compound with the molecular formula OC(CH2)4NH. It can be viewed as a derivative of piperidine. 4-Piperidone is used as an intermediate in the manufacture of chemicals and pharmaceutical drugs. Substituted and dehydro derivatives of 4-piperidinone are intermediates in alkaloid syntheses. [1]
The N-protonated derivative is typically isolated as the hydrate (HO)2C(CH2)4NH+2. [2]
It is a List I chemical in the United States as it is a precursor to fentanyl.