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2,3-?????????

2,3-?????????
2,3-????????? ??? ???
?? ??:
207974-19-4
???:
2,3-?????????
???(??):
2,3-?????????
???:
2,3-DIFLUOROMANDELIC ACID
???(??):
2,3-DIFLUOROMANDELIC ACID;2,3-Difluoromandelicacid95%;2,3-Difluoromandelic acid 95%;à-hydroxy-2,3-difluorophenylacetic acid;(2,3-DIFLUORO-PHENYL)-HYDROXY-ACETIC ACID;2',3'-DIFLUORO-2-HYDROXYPHENYLACETIC ACID;2,3-DIFLUORO-ALPHA-HYDROXYPHENYLACETIC ACID;alpha-Hydroxy-2,3-difluorophenylacetic acid;Benzeneacetic acid, 2,3-difluoro-α-hydroxy-;2-(2,3-DIFLUOROPHENYL)-2-HYDROXYACETIC ACID
CBNumber:
CB8736439
???:
C8H6F2O3
??? ??:
188.13
MOL ??:
207974-19-4.mol

2,3-????????? ??

???
109-113 °C
?? ?
313.3±37.0 °C(Predicted)
??
1.522±0.06 g/cm3(Predicted)
?? ?? (pKa)
3.17±0.10(Predicted)
??? ??
solid
CAS ??????
207974-19-4(CAS DataBase Reference)
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
??? ?? Xi
?? ???? ?? 36/37/38
????? 26-36
WGK ?? 3
?? ?? ?? Irritant
HS ?? 2918199890
????(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
H335 ?? ???? ??? ? ?? ?? ???? ?? - 1? ??;???? ?? ?? 3 ?? GHS hazard pictograms
??????:
P261 ??·?·??·???·??·...·????? ??? ????.
P304+P340 ???? ??? ??? ?? ??? ??? ???? ?? ??? ??? ????.
P305+P351+P338 ?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.
P405 ???? ?????.
NFPA 704
0
2 0

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???( 79)?? ??
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