ChemicalBook >?? ???? >??4,4-?????-3-????????

??4,4-?????-3-????????

??4,4-?????-3-???????? ??? ???

?? ??:: 352-24-9

???:: ??4,4-?????-3-????????

???(??):: ??4,4-?????-3-????????

???:: Ethyl 4,4-difluoro-3-oxobutanoate

???(??):: ETHYL 4,4-DIFLUOROACETOACETATE;ETHYL 4,4-DIFLUORO-3-OXOBUTYRATE;AKOS B016254;AKOS MSC-0700;ART-CHEM-BB B016254;Ethyl 4,4-difluoroc;Difluoro aceto acetat;4-difluoro-3-oxobutanoate;4,4-difluoro-3-oxobutanoate;Ethyl 4,4-difluorocetoacetate

CBNumber:: CB4359962

???:: C6H8F2O3

??? ??:: 166.12

MOL ??:: 352-24-9.mol

?? ?? 365

??4,4-?????-3-???????? ??

???: -46°C(lit.)

?? ?: 162 °C

??: 1,61 g/cm³

???: 1.407

???: 68℃

?? ??: Keep in dark place,Sealed in dry,Room Temperature

??? ??: ??? ??

?? ?? (pKa): 8.61±0.46(Predicted)

??: ?? ?? ?? ??

InChIKey: CBDPWKVOPADMJC-UHFFFAOYSA-N

CAS ??????: 352-24-9(CAS DataBase Reference)

EPA: Ethyl 4,4-difluoroacetoacetate (352-24-9)

?? ? ?? ??
?? ? ???? ?? (GHS)

??? ??	F,Xi
?? ???? ??	10-36/37/38-36/38
?????	26-36/37/39
????(UN No.)	1993
WGK ??	3
?? ?? ??	Flammable
TSCA	Yes
?? ??	3
?? ??	IRRITANT, FLAMMABLE
HS ??	2918300090

????(GHS):

?? ?:

Warning

??·?? ??:

??	??·?? ??	?? ??	??	?? ?	P- ??
H226	??? ?? ? ??	??? ??	?? 3	??
H315	??? ??? ???	????? ?? ?????	?? 2	??	P264, P280, P302+P352, P321,P332+P313, P362
H319	?? ?? ??? ???	?? ? ?? ?? ??? ??	?? 2A	??	P264, P280, P305+P351+P338,P337+P313P

??????:

P210	?·???·??·????? ????? - ?? ???.
P303+P361+P353	??(?? ????)? ??? ??? ?? ??? ??? ????? ??? ?? ????/?????.
P305+P351+P338	?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.

NFPA 704

	2
2		0

??4,4-?????-3-???????? C??? ??, ??, ??

??

Ethyl 4,4-difluoro-3-oxobutanoate is an intermediate used for the synthesis of pharmaceuticals such as potassium channel activators and β-alanine derived GABA-T antagonists.

??4,4-?????-3-???????? ?? ?? ? ???

???

?? ??

4,4-Difluoro-3-hydroxy-butyric acid ethyl ester Ethyl5-(aminomethyl)-2-(difluoromethyl)pyridine-4-carboxylate

??4,4-?????-3-???????? ?? ??

???( 365)?? ??

???	??	???	??	?? ?	??
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??4,4-?????-3-???????? ?? ??:

??????? Ethyl 2-chloro-4,4,4-trifluoroacetoacetate Ethyl 2-(ethoxymethylene)-4,4,4-trifluoroacetoacetate ETHYL PENTAFLUOROPROPIONYLACETATE Ethyl 4,4-difluoro-3-oxobutanoate Ethyl 4,4,4-trifluoroacetoacetate ETHYL HEPTAFLUOROBUTYRYLACETATE ETHYL 2-METHYL-4,4,4-TRIFLUOROACETOACETATE ISOPROPYL 4,4,4-TRIFLUOROACETOACETATE ETHYL 2,2-DIFLUOROACETOACETATE ETHYL 4,4,4-TRIFLUORO-2-(TRIPHENYLPHOSPHORANYLIDENE)ACETOACETATE 4,4,4-TRIFLUORO-ACETOACETIC ACID TERT-BUTYL ESTER 4,4,4-TRIFLUORO-2-HYDROXYLIMINO-3-OXOBUTYRIC ACID ETHYL ESTER ETHYL 4,4,4-TRIFLUORO-2-METHOXY-3-OXOBUTYRATE ETHYL 3-([2-ACETYL-5-(TERT-BUTYL)-3-THIENYL]AMINO)-2-(2,2,2-TRIFLUOROACETYL)ACRYLATE METHYL 4-([2-(ETHOXYCARBONYL)-4,4,4-TRIFLUORO-3-OXOBUT-1-ENYL]AMINO)THIOPHENE-3-CARBOXYLATE METHYL 2-([2-(ETHOXYCARBONYL)-4,4,4-TRIFLUORO-3-OXOBUT-1-ENYL]AMINO)BENZOATE METHYL 2-([2-(ETHOXYCARBONYL)-4,4,4-TRIFLUORO-3-OXOBUT-1-ENYL]AMINO)THIOPHENE-3-CARBOXYLATE

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