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4,4'-???????

4,4'-???????
4,4'-??????? ??? ???
?? ??:
2805-56-3
???:
4,4'-???????
???(??):
4,4'-???????
???:
4,4'-DIFLUOROCHALCONE
???(??):
4,4'-Difluorochalcone;4,4'-Difluorochalcone>TRANS-4,4'-DIFLUOROCHALCONE;4,4'-difluorochalconepredomi];1,3-bis(4-fluorophenyl)prop-2-en-1-one;2-(4-FLUOROBENZAL)-4'-FLUOROACETOPHENONE;2-Propen-1-one, 1,3-bis(4-fluorophenyl)-;(E)-1,3-bis(4-fluorophenyl)-2-propen-1-one;4,4'-Difluorochalcone, predominantly trans;4-FLUOROBENZYLIDENE-(4-FLUOROACETOPHENONE)
CBNumber:
CB4199289
???:
C15H10F2O
??? ??:
244.24
MOL ??:
2805-56-3.mol

4,4'-??????? ??

???
117-119 °C(lit.)
?? ?
356.6±42.0 °C(Predicted)
??
1.232±0.06 g/cm3(Predicted)
??? ??
powder to crystal
??
?? ????? ?????
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
??? ?? Xi
?? ???? ?? 36/37/38
????? 37/39-26
WGK ?? 3
HS ?? 2914.39.9000
????(GHS): GHS hazard pictograms
?? ?: Warning
??·?? ??:
?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
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
??????:
P264 ?? ??? ?? ??? ????.
P264 ?? ??? ?? ??? ????.
P280 ????/???/???/?????? ?????.
NFPA 704
0
2 0

4,4'-??????? C??? ??, ??, ??

??? ??

white to light yellow crystalline powder

4,4'-??????? ?? ?? ? ???

???

?? ??

4,4'-??????? ?? ??

???( 43)?? ??
??? ?? ??? ?? ?? ? ??
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4,4'-??????? ?? ??:

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