???? ??????
|
|
???? ?????? ??
- ???
- 200 °C (dec.)(lit.)
- ?? ?
- 200 °C
- ??
- 1.42 g/mL at 25 °C(lit.)
- ?? ??
- 770kg/m3
- ???
- 200°C
- ?? ??
- Store below +30°C.
- ???
- ?: ??? ? ??(lit.)
- ??? ??
- ?? ???? ??
- Specific Gravity
- 1.42
- ??
- ?? ???
- ??????(pH)
- 0.5 (50g/l, H2O, 20℃)
- ???
- ??
- Merck
- 14,4770
- ???
- ????. ???? ???? ??, ?? ??, ???, ????? ???? ????.
- CAS ??????
- 5341-61-7(CAS DataBase Reference)
??
- ?? ? ?? ??
- ?? ? ???? ?? (GHS)
| ??? ?? | T,N | ||
|---|---|---|---|
| ?? ???? ?? | 45-23/24/25-43-50/53 | ||
| ????? | 53-45-60-61 | ||
| ????(UN No.) | UN 2811 6.1/PG 3 | ||
| WGK ?? | 3 | ||
| RTECS ?? | MV2298000 | ||
| F ?????? | 3-10-21 | ||
| TSCA | Yes | ||
| HS ?? | 2825 10 00 | ||
| ?? ?? | 6.1 | ||
| ???? | II | ||
| ?? | LD50 orally in Rabbit: 129 mg/kg LD50 dermal Rabbit 91 mg/kg |
???? ?????? C??? ??, ??, ??
??? ??
white crystalline powder??
Hydrazine dihydrochloride is used as chlorine scavenger in HCl gas streams.?? ??
Hydrazine dihydrochloride is an amine compound, which can be used as organic synthesis, chemical intermediate in manufacture of agricultural chemicals, spandex fibers and antioxidants. Reducing agent; organic hydrazine derivatives; rocket fuel.Purification Methods
It is recrystallised from aqueous EtOH and dried under vacuum over CaSO4.???? ?????? ?? ?? ? ???
???
?? ??
???? ?????? ?? ??
???( 357)?? ??
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???? ?????? ?? ??:
???? 1,5-??????????? ???? ?????? 2,4-??????????? ?????? p-??????? ????? 2-???????????????????? ???? ??????
TEREPHTHALIC DIHYDRAZIDE
1,2-Dimethylhydrazine Dihydrochloride
Hydroxylamine hydrochloride
Dihydrochloride
2-Chlorophenylhydrazine hydrochloride
N,N'-DIETHYLHYDRAZINE DIHYDROCHLORIDE
3,4-Dichlorophenylhydrazine hydrochloride
1-PHENYL-4,5-DICHLORO-6-PYRIDAZONE
4-Chlorophenylhydrazine
3,5-Dichlorophenylhydrazine hydrochloride