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3,5-Difluorobenzoic acid

3,5-Difluorobenzoic acid ??? ???
?? ??:
455-40-3
???:
3,5-Difluorobenzoic acid
???(??):
3,5-Difluorobenzoic;RARECHEM AL BO 0255;TIMTEC-BB SBB006663;3,5-DIFLUOROBENZOIC ACID;3,5-DifluorobenzoicAcid>3,5-Difluorobenzoicacid98%;Benzoic acid, 3,5-difluoro-;3,5-Difluorobenzoicacid,97%;3,5-Difluorobenzoic acid 98%;3, 5 - two fluorine benzoic acid
CBNumber:
CB0375720
???:
C7H4F2O2
??? ??:
158.1
MOL ??:
455-40-3.mol

3,5-Difluorobenzoic acid ??

???
121-123 °C (lit.)
?? ?
243.2±20.0 °C(Predicted)
??
1.3486 (estimate)
?? ??
Sealed in dry,Room Temperature
???
?????, ???(??)? ???
?? ?? (pKa)
3.52±0.10(Predicted)
??? ??
??
??? ??
??? ??
??
???? ?? ???
BRN
1940680
InChI
InChI=1S/C7H4F2O2/c8-5-1-4(7(10)11)2-6(9)3-5/h1-3H,(H,10,11)
InChIKey
GONAVIHGXFBTOZ-UHFFFAOYSA-N
SMILES
C(O)(=O)C1=CC(F)=CC(F)=C1
CAS ??????
455-40-3(CAS DataBase Reference)
EPA
Benzoic acid, 3,5-difluoro- (455-40-3)
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
??? ?? Xi
?? ???? ?? 36/37/38
????? 26-37/39
WGK ?? 3
TSCA TSCA listed
?? ?? IRRITANT
HS ?? 29163990
???? ??? 11 - Combustible Solids
Hazard Classifications Eye Irrit. 2
Skin Irrit. 2
STOT SE 3
????(GHS): Exclamation Mark (GHS07)
?? ?: Warning
??·?? ??:
?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
H315 ??? ??? ??? ????? ?? ????? ?? 2 ?? P264, P280, P302+P352, P321,P332+P313, P362
H319 ?? ?? ??? ??? ?? ? ?? ?? ??? ?? ?? 2A ?? P264, P280, P305+P351+P338,P337+P313P
H335 ?? ???? ??? ? ?? ?? ???? ?? - 1? ??;???? ?? ?? 3 ??
??????:
P261 ??·?·??·???·??·...·????? ??? ????.
P264 ?? ??? ?? ??? ????.
P264 ?? ??? ?? ??? ????.
P280 ????/???/???/?????? ?????.
P305+P351+P338 ?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.
NFPA 704
0
2 0

3,5-Difluorobenzoic acid C??? ??, ??, ??

??? ??

off-white needles and chunks

??

3,5-Difluorobenzoic Acid can be used as reactant/reagent in Rh(III)-catalyzed regioselective heterocyclization of benzoic acids with acrylates to give phthalides with water as the solvent

?? ??

3,5-Difluorobenzoic acid forms dimers that were stabilized by hydrogen bonds between carboxyl groups. The on-line determination of 3,5-difluorobenzoic acid in water was studied using membrane inlet mass spectrometry with in-membrane preconcentration.

3,5-Difluorobenzoic acid ?? ?? ? ???

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3,5-Difluorobenzoic acid ?? ??

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3,5-Difluorobenzoic acid ?? ??:

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