|  | |  |  | Bis(4-fluorophenyl)-methanone Basic information | 
|  |  | 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) | 
|  |  | 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 | 
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