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3-???-[1,2,4]?????-5-???????????

3-???-[1,2,4]?????-5-???????????
3-???-[1,2,4]?????-5-??????????? ??? ???
?? ??:
121562-09-2
???:
3-???-[1,2,4]?????-5-???????????
???(??):
3-???-[1,2,4]?????-5-???????????
???:
3-BROMO-[1,2,4]OXADIAZOLE-5-CARBOXYLIC ACID ETHYL ESTER
???(??):
Ethyl 3-broMo-1,2,4-oxadiazole-5-carboxylate;3-BROMO-[1,2,4]OXADIAZOLE-5-CARBOXYLIC ACID ETHYL ESTER;1,2,4-Oxadiazole-5-carboxylic acid, 3-bromo-, ethyl ester
CBNumber:
CB2139636
???:
C5H5BrN2O3
??? ??:
221.01
MOL ??:
121562-09-2.mol

3-???-[1,2,4]?????-5-??????????? ??

?? ?
276.6±23.0 °C(Predicted)
??
1.709±0.06 g/cm3(Predicted)
?? ??
under inert gas (nitrogen or Argon) at 2-8°C
?? ?? (pKa)
-6.72±0.10(Predicted)
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
????(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
??????:
P264 ?? ??? ?? ??? ????.
P264 ?? ??? ?? ??? ????.
P270 ? ??? ??? ??? ???, ???? ???? ???.
P280 ????/???/???/?????? ?????.
P301+P312 ??? ???? ??? ????(??)? ??? ????.
P302+P352 ??? ??? ??? ?? ????.
P305+P351+P338 ?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.
P321 (…) ??? ???.
P330 ?? ?????.
P332+P313 ?? ??? ??? ???? ??· ??? ????.
P362 ??? ??? ?? ?? ?? ?????
P501 ...? ??? / ??? ?? ???.

3-???-[1,2,4]?????-5-??????????? C??? ??, ??, ??

Synthesis Reference(s)

Journal of Heterocyclic Chemistry, 26, p. 23, 1989 DOI: 10.1002/jhet.5570260105

3-???-[1,2,4]?????-5-??????????? ?? ?? ? ???

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?? ??

3-???-[1,2,4]?????-5-??????????? ?? ??

???( 54)?? ??
??? ?? ??? ?? ?? ? ??
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3-???-[1,2,4]?????-5-??????????? ?? ??:

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