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) |
| ??? ??????? ?????? |
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 |
| ???? ?????? |
Xi:Irritant;
|
| ???? ?? ??? |
R36/37:;
|
| ??????? ????? |
S26:;
S37/39:;
|
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