Description

4,4'-Difluorobiphenyl is a high-purity organic compound characterized by its biphenyl core with fluorine substituents at the para positions. This fluorinated aromatic building block is critical for synthesizing advanced materials and fine chemicals due to its unique electronic properties and stability. It is primarily utilized by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and liquid crystal industries.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring fluorinated aromatic systems.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and pesticides where the difluorobiphenyl moiety enhances biological activity and environmental stability.
• Liquid Crystal Materials: Serves as a core component in the manufacture of fluorinated liquid crystals for display technologies (LCDs).
• Polymer & Material Science: Acts as a monomer or additive for creating high-performance polymers, including polyesters and polyarylates, with improved thermal and chemical resistance.
• Organic Light-Emitting Diodes (OLEDs): Employed in the development of electron-transport materials and host materials for OLED devices.
• Research & Development: A valuable reagent in organic synthesis and medicinal chemistry research for constructing complex fluorinated molecules.

Basic Information

Product Name	4,4'-Difluorobiphenyl
CAS No.	398-23-2
Molecular Formula	C12H8F2
Molecular Weight	190.19 g/mol
Synonyms	p,p'-Difluorobiphenyl; 1,1'-Biphenyl, 4,4'-difluoro-; 4-Fluorophenyl fluoride; Biphenyl, 4,4'-difluoro-; 4,4'-Difluorodiphenyl; DFBP; NSC 5111
EINECS	206-912-7

Quality Control

Our 4,4'-Difluorobiphenyl is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. Certificates of Analysis (COA) detailing all specifications are provided with each shipment to guarantee compliance with your research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from heat sources and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	88 - 92 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.