1,1-di(p-fluorophenyl)-ketone, CAS No. 345-92-6

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345-92-6

Catalog No. EBD18679

CAS 345-92-6

Name 1,1-di(p-fluorophenyl)-ketone

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Basic Information

Synonyms: 4,4'-Difluorobenzophenone 4,4-DifluoroBenzophenone 4,4-DifluoroDiphenylKetone 4,4'-difluoro-benzophenon Benzophenone,4,4'-difluoro- bis(4-fluorophenyl)-methanon Bis(p-fluorophenyl)ketone Di-p-fluorophenylketone Methanone,bis(4-fluorophenyl)- Bis(4-fluorophenyl)-methanone (4,4-difluorocyclohexa-2,5-dien-1-yl)(phenyl)methanone 4,4'-Difluorodiphenylmethanone 4,4'-di-fluorobenzophenone 1,1-di(p-fluorophenyl)-ketone

Molecular Formula: C13H8F2O

Molecular Weight: 218.2

MDL Number: MFCD00000353

Categories: Materials Chemistry > Optoelectronic and Organic Semiconductor Materials > Dye Precursors Materials Chemistry > Optoelectronic and Organic Semiconductor Materials > OLED and Organic Optoelectronic Precursors Synthetic Chemistry > Organic Building Blocks > Aldehydes and Ketones

Product Description:

4,4'-Difluorobenzophenone is an organic compound with the molecular formula C13H8F2O. It features a central carbonyl group linking two para-fluorophenyl rings, giving it a rigid, symmetrical diaryl ketone structure. The presence of two fluorine atoms enhances its thermal stability and electron-withdrawing properties. This compound is primarily utilized as a key monomer in the synthesis of high-performance polymers, particularly polyether ether ketone (PEEK) and other polyaryletherketones (PAEKs). The difluoro groups act as leaving groups in nucleophilic aromatic substitution polymerization, enabling the formation of robust, heat-resistant, and chemically inert engineering thermoplastics. These materials are widely applied in aerospace, automotive, and medical implant industries. Additionally, 4,4'-difluorobenzophenone serves as a versatile synthetic building block in organic chemistry. It is employed in the preparation of pharmaceutical intermediates, agrochemicals, and specialty chemicals, where the difluorobenzophenone core imparts desirable physicochemical properties. Its reactivity in cross-coupling and reduction reactions further expands its utility in research and development.

Physical Properties

Melting Point: 102-105 °C(lit.)

Boiling Point: 137°C (3 torr)

Flash Point: 152 °C

Density: 1.239 g/cm3

Safety Information

Packing Level: III

Hazard Category: 9

Transport Codes: 3077