683-73-8 ??????-?? 4 (???)
| ?????? ?? ??? |
??????-?? 4 (???) |
| ????????? |
; ??????-?? 4; ????; (~ 2 ~ H_4_) ???? |
| ???????? ??? |
Ethylene-d4(gas); Ethylene-d4; ethene; (~2~H_4_)ethene |
| ????? ???????? |
C2D4 |
| ?????? ??? |
32.0778 |
| InChI |
InChI=1/C2H4/c1-2/h1-2H2/i1D2,2D2 |
| ??? ??????? ?????? |
683-73-8 |
| EINECS |
211-675-8 |
| ????? ?????? |
|
| ????? |
0.551g/cm3 |
| ??????? ??????? |
1.295 |
| ????? ?? ???? |
43300mmHg at 25°C |
|