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
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℃
Fp
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)
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 Information
Provider
Language
Bis(4-fluorophenyl)-methanone
English
ACROS
English
SigmaAldrich
English
ALFA
English
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