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Merck
CN

115495

4,4′-Difluorobenzophenone

99%

Synonym(s):

Bis(4-fluorophenyl) ketone, Bis(4-fluorophenyl)methanone

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About This Item

Linear Formula:
(FC6H4)2CO
CAS Number:
345-92-6
Molecular Weight:
218.20
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24847220
EC Number:
206-466-3
Beilstein/REAXYS Number:
516231
MDL number:
MFCD00000353

Key Documents

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Product Name

4,4′-Difluorobenzophenone, 99%

InChI key

LSQARZALBDFYQZ-UHFFFAOYSA-N

InChI

1S/C13H8F2O/c14-11-5-1-9(2-6-11)13(16)10-3-7-12(15)8-4-10/h1-8H

SMILES string

Fc1ccc(cc1)C(=O)c2ccc(F)cc2

assay

99%

form

solid

mp

102-105 °C (lit.)

functional group

fluoro
ketone

Quality Level

100

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Application

4,4′-Difluorobenzophenone has been used in the study of thermal stability, water uptake and proton conductivity of carboxylated, carboxylated/sulfonated, and crosslinked membranes.

pictograms

Exclamation markEnvironment
GHS07,GHS09

signalword

Warning

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 2 - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

13 - Non Combustible Solids

wgk

WGK 3

flash_point_f

305.6 °F - Pensky-Martens closed cup

flash_point_c

152 °C - Pensky-Martens closed cup

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
WXBF5567V
WXBF4275V
WXBF0355V
WXBD2935V
WXBD1847V

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Poly (aryl ether ketone) s with carboxylic acid groups: synthesis, sulfonation and crosslinking.
Liu B, et al.
Journal of Materials Chemistry, 18(39), 4675- 4682 (2008)
Sinan Feng et al.
ACS applied materials & interfaces, 9(29), 24527-24537 (2017-07-07)
A novel semicrystalline poly(ether ketone) (PEK)-based proton exchange membrane (semi-SPEK-x) has been developed. Through a one-step sulfonation and hydrolysis, a poly(ether ketimine) precursor transforms into PEK and ion-conducting groups are introduced. With an ion-exchange capacity ranging from 1.49 to 2.00
S Kariya et al.
Research communications in chemical pathology and pharmacology, 78(1), 85-95 (1992-10-01)
The oxidative metabolism of flunarizine [1-[bis(4-fluorophenyl)-methyl]-4-(3-phenyl-2-propenyl)piperazine, FZ] to 1-[bis-(4-fluorophenyl)methyl]piperazine (M-1), 1-[bis(4-fluorophenyl)methyl]-4-[3-(4'-hydroxyphenyl)-2- propenyl]piperazine (M-2) and 4,4'-difluorobenzophenone (M-3) has been studied in liver microsomes of Wistar and Dark Agouti (DA) rats. Kinetic analysis demonstrated a sex difference (male > female) in the

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