Bis(4-fluorophenyl)-methanone
- CAS NO.：345-92-6
- Empirical Formula: C13H8F2O
- Molecular Weight: 218.2
- MDL number: MFCD00000353
- EINECS: 206-466-3
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-06-27 16:22:23
What is Bis(4-fluorophenyl)-methanone?
The Uses of Bis(4-fluorophenyl)-methanone
Bis(4-fluorophenyl)methanol, also referred to as 4,4'-difluorobenzhydrol, is a diphenyl methanol building block with two fluorine atoms at the para-position. Bis(4-fluorophenyl)methanol is an important building block for synthesizing antipsychotic drug such as fluspirilene, pimozide and penfluridol. Bis(4-fluorophenyl)methanol is also used in the total synthesis of Tunicamycin V, a homologous nucleoside antibiotic.
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.
Properties of Bis(4-fluorophenyl)-methanone
| 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 |
| 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 for Bis(4-fluorophenyl)-methanone
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07  Environment GHS09 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation H411:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P273:Avoid release to the environment. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for Bis(4-fluorophenyl)-methanone
| InChIKey | LSQARZALBDFYQZ-UHFFFAOYSA-N |
Bis(4-fluorophenyl)-methanone manufacturer
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