???????????????
|
|
??????????????? ??
- ???
- 133 °C
- ?? ??
- -20°C
- ??? ??
- powder to crystal
- ??
- ???? ?? ??
- ???
- ?? ???(20°C)
- BRN
- 3571639
- ???
- ????. ??, ???, ???? ???? ????.
- CAS ??????
- 928-04-1(CAS DataBase Reference)
??
- ?? ? ?? ??
- ?? ? ???? ?? (GHS)
??? ?? | T+ | ||
---|---|---|---|
?? ???? ?? | 23/25-27-36/37/38 | ||
????? | 26-36/37/39-45 | ||
????(UN No.) | UN 2811 6.1/PG 1 | ||
WGK ?? | 3 | ||
RTECS ?? | AP0700000 | ||
?? ?? | 6.1 | ||
???? | I | ||
HS ?? | 29171990 | ||
???? ?? | KE-29126 |
??????????????? C??? ??, ??, ??
??? ??
white powderPurification Methods
It is very soluble in H2O, but can be crystallised from a small volume of H2O in small crystals. These are washed with EtOH and dried over H2SO4 at 125o. [Bandrowski Chem Ber 10 841 1877, Lossen Justus Liebigs Ann Chem 272 133 1893, Beilstein 2 H 801, 2 I 317, 2 II 670, 2 III 1991, 2 IV 2290.]??????????????? ?? ?? ? ???
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