CAS 345-92-6 corresponds to 4,4 ‘- difluorobenzophenone, which is a key fluorinated organic intermediate used for the synthesis of high-performance engineering plastic polyetheretherketone (PEEK).

Basic Information
-Chinese name: 4,4 ‘- difluorobenzophenone
-English name: 4,4 ‘- Difluorobenzophenone/Bis (4-fluorophenyl) methanone
-Molecular formula: C ₁∝ H ₈ F ₂ O
-Molecular weight: 218.20
-Appearance: White to off white crystalline powder
-Melting point: 106-109 ℃
-Boiling point: 137 ℃ (3 torr)
-Flash point: approximately 118.4 ℃

Main applications
1. Core application: As a key monomer intermediate for the preparation of polyetheretherketone (PEEK).
2. Functional materials: Imaging agents and charge control agents in optical/electrical recording materials.
3. Aggregation reaction: Participate in a specific polymerization process as an initiator or copolymer monomer.

Safety and Storage
-Danger: Irritating to eyes, respiratory system, and skin.
-Operation precautions: Wear protective equipment to avoid direct contact; Store in a dry and ventilated place, with a controlled drying weight loss of ≤ 0.5%.

Products :

4, 4-Difluorobenzophenone CAS 345-92-6
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