ChemNet > CAS > 504-31-4 ???? ?????? 2H-?????-2-??? 2-???????? 2H-?????-2-??
504-31-4 ???? ?????? 2H-?????-2-??? 2-???????? 2H-?????-2-??
| ??? ????? |
???? ?????? 2H-?????-2-??? 2-???????? 2H-?????-2-?? |
| ??? ??????? |
alpha-Pyrone;2H-Pyran-2-one; 2-Pyranone; 2H-Pyrane-2-one |
| ????? ???????? |
C5H4O2 |
| ??? ??????? |
96.0841 |
| InChI |
InChI=1/C5H4O2/c6-5-3-1-2-4-7-5/h1-4H |
| ????? ?????? |
504-31-4 |
| ????? ??????? ??????? |
207-990-5 |
| ?????? ??????? |
|
| ????? |
1.192g/cm3 |
| ???? ????? |
207.5°C at 760 mmHg |
| ???? ???? |
1.507 |
| ???? ?????? |
89.2°C |
| ???? ???? |
0.225mmHg at 25°C |
|