1,4-????-2-?????
|
|
1,4-????-2-????? ??
- ???
- 52-54 °C(lit.)
- ?? ?
- 267 °C
- ??
- 1,442 g/cm3
- ?? ??
- 6.6 (vs air)
- ???
- <0.1 mm Hg ( 25 °C)
- ???
- 1.4390 (estimate)
- ???
- >230 °F
- ?? ??
- Store below +30°C.
- ???
- 0.083g/L
- ??? ??
- solid
- ??
- ?? ??
- ????
- 2.4-8.5%(V)
- ???
- ?, ???, ???, ??, ?????? ?????. ?????? ?? ?????.
- BRN
- 778109
- LogP
- 2.87 at 25℃
- CAS ??????
- 89-61-2(CAS DataBase Reference)
- IARC
- 2B (Vol. 65, 123) 2020
??
- ?? ? ?? ??
- ?? ? ???? ?? (GHS)
| ??? ?? | Xn,N | ||
|---|---|---|---|
| ?? ???? ?? | 22-36-51/53 | ||
| ????? | 26-60 | ||
| ????(UN No.) | UN 3077 9/PG 3 | ||
| WGK ?? | 2 | ||
| RTECS ?? | CZ5260000 | ||
| TSCA | Yes | ||
| ?? ?? | 9 | ||
| ???? | III | ||
| HS ?? | 29049085 | ||
| ?? ?? ??? | 89-61-2(Hazardous Substances Data) | ||
| ???? ?? | 2008-2-30 |
1,4-????-2-????? C??? ??, ??, ??
??? ??
yellow flakes?? ??
Nitration of 1,4-dichlorobenzene with mixed acid at 35 – 65 ℃ results in a 98 % yield of essentially pure 2,5-Dichloronitrobenzene.Purification Methods
Crystallise the nitrobenzene from absolute EtOH. [Beilstein 5 IV 726.]1,4-????-2-????? ?? ?? ? ???
???
?
p-Dichlorobenzene
??
p-???????
??
Benzaldehyde, 3,6-dichloro-2-nitro-
3,4-DINITROANILINE
1-(4-???-2-?????)???
3-CHLORO-4-NITROANILINE
4-Chloro-2-nitrobenzoic acid