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Bis(4-fluorophenyl)-methanone

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Bis(4-fluorophenyl)-methanone Basic information

Product Name:
Bis(4-fluorophenyl)-methanone
Synonyms:
  • 4,4’-difluoro-benzophenon
  • 4,4'-DIFLUOROBENZOPHENONE
  • 4,4-DIFLUOROBENZOPHENONE
  • Benzophenone, 4,4'-difluoro-
  • bis(4-fluorophenyl)-methanon
  • Bis(p-fluorophenyl) ketone
  • bis(p-fluorophenyl)ketone
  • Di-p-fluorophenyl ketone
CAS:
345-92-6
MF:
C13H8F2O
MW:
218.2
EINECS:
206-466-3
Product Categories:
  • C13 to C14
  • Carbonyl Compounds
  • Benzophenones (for High-Performance Polymer Research)
  • Functional Materials
  • Reagent for High-Performance Polymer Research
  • Ketones
  • Fluorobenzene Series
  • FINE Chemical & INTERMEDIATES
  • Aromatic Benzophenones & Derivatives (substituted)
  • Pharmaceutical raw materials
  • 345-92-6
Mol File:
345-92-6.mol
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Bis(4-fluorophenyl)-methanone Chemical Properties

Melting point:
102-105 °C (lit.)
Boiling point:
137°C (3 torr)
Density 
1.2543 (estimate)
vapor pressure 
0.005Pa at 20℃
Flash point:
170-172°C/10mm
storage temp. 
Sealed in dry,Room Temperature
solubility 
Insoluble in water
form 
Crystalline Powder
color 
White to slightly yellow
Water Solubility 
8.757mg/L at 20℃
BRN 
516231
InChIKey
LSQARZALBDFYQZ-UHFFFAOYSA-N
LogP
3.37 at 20℃
CAS DataBase Reference
345-92-6(CAS DataBase Reference)
NIST Chemistry Reference
4,4'-Difluorobenzophenone(345-92-6)
EPA Substance Registry System
4,4'-Difluorobenzophenone (345-92-6)
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Safety Information

Hazard Codes 
Xi,N,Xn
Risk Statements 
36/37/38-51/53-22
Safety Statements 
26-37/39-36-61
RIDADR 
UN 3077 9 / PGIII
WGK Germany 
3
RTECS 
DJ0685000
HazardClass 
IRRITANT
HS Code 
29143990

MSDS

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Bis(4-fluorophenyl)-methanone Usage And Synthesis

Chemical Properties

white to slightly yellow crystalline powder

Uses

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

Synthesis Reference(s)

Journal of the American Chemical Society, 90, p. 540, 1968 DOI: 10.1021/ja01004a087

General Description

4,4′-Difluorobenzophenone is typically used as a starting material for the preparation of polyetheretherketone (PEEK) polymer, a high-temperature thermoplastic, which finds wide use in dentistry as well as in automotive, oil industries, etc.

Bis(4-fluorophenyl)-methanone Preparation Products And Raw materials

Preparation Products

Raw materials

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