ChemicalBook >?? ???? >?????????
?????????
|
|
????????? ??
- ?? ?
- 462.9°C (rough estimate)
- ??
- 1.1750 (rough estimate)
- ???
- 1.7620 (estimate)
??
????????? C??? ??, ??, ??
Purification Methods
Crystallise the hydrazine from 1:1 CHCl3/toluene, 1:5 CHCl3/EtOH (m 149o), *C6H6 or *C6H6/pet ether. Store it in a refrigerator, in the dark. [Beilstein 15 H 125, 15 I 29, 15 III 77, 15 IV 59.]????????? ?? ?? ? ???
???
?? ??
????????? ?? ??
???( 23)?? ??
| ??? | ?? | ??? | ?? | ?? ? | ?? |
|---|---|---|---|---|---|
| Alchem Pharmtech,Inc. | 8485655694 |
sales@alchempharmtech.com | United States | 63687 | 58 |
| Shaanxi Dideu Medichem Co. Ltd | +86-29-87569262 +86-15003564040 |
1087@dideu.com | China | 3167 | 58 |
| Dayang Chem (Hangzhou) Co.,Ltd. | 571-88938639 +8617705817739 |
info@dycnchem.com | China | 52849 | 58 |
| GIHI CHEMICALS CO.,LIMITED | +8618058761490 |
info@gihichemicals.com | China | 49982 | 58 |
| Jilin Chinese Academy of Sciences-yanshen Technology | +undefined18143011203 |
info@chemextension.com | China | 42056 | 58 |
| 3B Pharmachem (Wuhan) International Co.,Ltd. | 821-50328103-801 18930552037 |
3bsc@sina.com | China | 15839 | 69 |
| Shanghai Longsheng chemical Co.,Ltd. | 021-58099652-8005 13585536065 |
bin.wu@shlschem.com | China | 9810 | 59 |
| Shanghai T&W Pharmaceutical Co., Ltd. | +86 21 61551611 |
China | 9891 | 58 | |
| Chengdu HuaXia Chemical Reagent Co. Ltd | 400-1166-196 13458535857 |
cdhxsj@163.com | China | 13350 | 58 |
| Shandong Xiya Chemical Co., Ltd. | 4009903999 13395398332 |
sales@xiyashiji.com | China | 20806 | 60 |