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??????(1,4-)

??????(1,4-)
??????(1,4-) ??? ???
?? ??:
540-36-3
???:
??????(1,4-)
???(??):
1,4-????????;??????(1,4-);??-???????
???:
1,4-Difluorobenzene
???(??):
P-DIFLUOROBENZENE;48944;1,4-DifL;1.4-Difluorobe;For fluorobenzene;p-difluoro-benzen;4-Difluorobenzene;1,4-Difluorbenzol;1,4-Fluorobenzene;Ontwofluorobenzene
CBNumber:
CB4853763
???:
C6H4F2
??? ??:
114.09
MOL ??:
540-36-3.mol
MSDS ??:
SDS

??????(1,4-) ??

???
-13 °C (lit.)
?? ?
88-89 °C (lit.)
??
1.11 g/mL at 25 °C (lit.)
???
n20/D 1.441(lit.)
???
36 °F
?? ??
room temp
???
1.2g/L
??? ??
??
Specific Gravity
1.110
??
????~???
Merck
14,3148
BRN
1904541
Dielectric constant
2.2599999999999998
InChIKey
QUGUFLJIAFISSW-UHFFFAOYSA-N
CAS ??????
540-36-3(CAS DataBase Reference)
NIST
Benzene, 1,4-difluoro-(540-36-3)
EPA
1,4-Difluorobenzene (540-36-3)
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
??? ?? F,Xn,T
?? ???? ?? 11-20-39/23/24/25-23/24/25
????? 16-29-33-7-45-36/37-7/9
????(UN No.) UN 1993 3/PG 2
WGK ?? 3
RTECS ?? CZ5658000
?? ?? ?? Highly Flammable
?? ?? 3
???? II
HS ?? 29036990
????(GHS): GHS hazard pictograms
?? ?: Danger
??·?? ??:
?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
H225 ???? ?? ? ?? ??? ?? ?? 2 ?? GHS hazard pictograms P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501
??????:
P210 ?·???·??·????? ????? - ?? ???.
NFPA 704
3
1 0

??????(1,4-) MSDS


1,4-Difluorobenzene

??????(1,4-) C??? ??, ??, ??

??? ??

Clear colorless to light yellow liquid

??

1,4-Difluorobenzene is used in method for production of prepolymers containing Polyoxymethylene block.

??????(1,4-) ?? ?? ? ???

???

?????? 1-FLUORO-4-(TRIMETHYLSILYL)BENZENE 4-???????????????????? 4-?????? 4-??????

?? ??

???????(?????-1,4-DIYL)?? ????????(2,5-) ??(5-)-2???????? ?????????(2,5-) ?????? ???? ??? 1-BROMO-4-FLUORO-2-NITROBENZENE 2,5-Difluorophenol 4-Methoxy-2-nitrobenzoic acid 1,2,4-???????? 4-?????????? 2,5-Difluorobenzoic acid 1,4-DIFLUOROANTHRAQUINONE

??????(1,4-) ?? ??

???( 334)?? ??
??? ?? ??? ?? ?? ? ??
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??????(1,4-) ?? ??:

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