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2-Chloro-5-methylpyrazine

2-Chloro-5-methylpyrazine ??? ???
?? ??:
59303-10-5
???:
2-Chloro-5-methylpyrazine
???(??):
C90111;2-CHLORO-5-METHYLPYRAZINE;Pyrazine,2-chloro-5-Methyl-;2-Chloro-5-methylpyrazine 97%;2-Chloro-5-methyl-1,4-diazine
CBNumber:
CB8837172
???:
C5H5ClN2
??? ??:
128.56
MOL ??:
59303-10-5.mol

2-Chloro-5-methylpyrazine ??

?? ?
172℃
??
1.234
???
72℃
?? ??
under inert gas (nitrogen or Argon) at 2-8°C
?? ?? (pKa)
-0.31±0.10(Predicted)
??? ??
??
??
??
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
HS ?? 2933998090
????(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
??????:
P261 ??·?·??·???·??·...·????? ??? ????.
P305+P351+P338 ?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.

2-Chloro-5-methylpyrazine C??? ??, ??, ??

2-Chloro-5-methylpyrazine ?? ?? ? ???

???

?? ??


2-Chloro-5-methylpyrazine ?? ??

???( 108)?? ??
??? ?? ??? ?? ?? ? ??
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2-Chloro-5-methylpyrazine ?? ??:

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