675-20-7 2-Piperidone
| ?? ????? |
2-Piperidone |
| ?? ????? |
2-Piperidone; δ-Valerolactam; piperidin-2-one |
| ????????? ??????? |
C5H9NO |
| ???? ???????? |
99.1311 |
| InChI |
InChI=1/C5H9NO/c7-5-3-1-2-4-6-5/h1-4H2,(H,6,7) |
| ???? CAS |
675-20-7 |
| EINECS |
211-622-9 |
| ???? ???????? |
|
| ?????? |
1.001g/cm3 |
| ????? ????? |
35-39℃ |
| ????? ????? |
256°C at 760 mmHg |
| ???? ????? |
1.448 |
| ????? ???? |
133.1°C |
| ?????? ???? |
291 g/L (25℃) |
| ??? ???? |
0.0158mmHg at 25°C |
| Hazard ?????? |
Xi:Irritant;
|
| ??????? ???? |
R36/37:;
|
| ?????? ????? |
S26:;
S37/39:;
|
|