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2-???-4-????????

2-???-4-????????
2-???-4-???????? ??? ???
?? ??:
28163-00-0
???:
2-???-4-????????
???(??):
2-???-4-????????
???:
2-Chloro-4-nitrobenzonitrile
???(??):
2-CHLORO-4-NITROBENZONITRIL;4-nitro-2-chlorobenzonitrile;3-Chloro-4-cyanonitrobenzene;2-CHLORO-4-NITROBENZONITRILE;Benzonitrile, 2-chloro-4-nitro-;2-Chloro-4-nitrobenzonitrile,98%;2-chloro-4-nitrobenzenecarbonitrile;2-Chloro-4-nitrobenzonitrile ISO 9001:2015 REACH
CBNumber:
CB4370253
???:
C7H3ClN2O2
??? ??:
182.56
MOL ??:
28163-00-0.mol

2-???-4-???????? ??

???
83-84 °C
?? ?
337.0±27.0 °C(Predicted)
??
1.6133 (rough estimate)
???
1.5557 (estimate)
?? ??
Sealed in dry,Room Temperature
???
???? ???
??? ??
powder to crystal
??
White to Orange to Green
CAS ??????
28163-00-0(CAS DataBase Reference)
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
??? ?? Xn,Xi
?? ???? ?? 36/37/38-20/21/22
????? 36/37/39-26-22-36
????(UN No.) 3276
?? ?? ?? Harmful
?? ?? 6.1
???? III
HS ?? 29269095
????(GHS): GHS hazard pictograms
?? ?: Warning
??·?? ??:
?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
H302 ??? ??? ?? ?? ?? - ?? ?? 4 ?? GHS hazard pictograms P264, P270, P301+P312, P330, P501
H315 ??? ??? ??? ????? ?? ????? ?? 2 ?? GHS hazard pictograms P264, P280, P302+P352, P321,P332+P313, P362
H319 ?? ?? ??? ??? ?? ? ?? ?? ??? ?? ?? 2A ?? GHS hazard pictograms P264, P280, P305+P351+P338,P337+P313P
H335 ?? ???? ??? ? ?? ?? ???? ?? - 1? ??;???? ?? ?? 3 ?? GHS hazard pictograms
??????:
P305+P351+P338 ?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.
NFPA 704
1
2 0

2-???-4-???????? C??? ??, ??, ??

??? ??

beige powder. 2-Chloro-4-nitrobenzonitrile [28163-00-0], 2-chloro-1-cyano-4-nitrobenzene, Mr 182.57, mp 81℃, is produced by the reaction of the diazonium salt derived from 2-chloro-4-nitroaniline with copper cyanide (Sandmeyer reaction). 4-Amino-2-chlorobenzonitrile can be obtained from 2-chloro-4-nitrobenzonitrile by reduction of the nitro group with iron (Bechamp method): it is used as an intermediate for the production of azo dyes.

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