Description

Bis(4-Fluorophenyl)-Phosphine Oxide is a specialized organophosphorus compound featuring fluorinated aromatic rings, which impart unique electronic and steric properties. This compound serves as a critical building block and ligand precursor in advanced chemical synthesis, enabling the development of novel materials and catalysts. It is primarily utilized by researchers and manufacturers in the pharmaceutical, agrochemical, and materials science sectors for creating high-performance products.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring fluorinated phosphine oxide motifs.
• Catalyst Ligand Synthesis: Serves as a starting material for creating sophisticated phosphine ligands used in cross-coupling reactions (e.g., Suzuki, Heck) and homogeneous catalysis.
• Agrochemical Research: Employed in the development of new herbicides, pesticides, and plant growth regulators where the fluorophenyl groups enhance biological activity and stability.
• Material Science & OLEDs: Used in the synthesis of electron-transport materials, host materials, and other functional components for organic light-emitting diodes (OLEDs) and electronic devices.
• Flame Retardant Additive: Investigated as a potential component in flame-retardant formulations for polymers and plastics due to its phosphorus content.
• Coordination Chemistry: Acts as a versatile ligand for metal complexes in academic and industrial research exploring new catalytic systems.

Basic Information

Product Name	Bis(4-Fluorophenyl)-Phosphine Oxide
CAS No.	94940-35-9
Molecular Formula	C12H9F2OP
Molecular Weight	238.17 g/mol
Synonyms	Bis(p-Fluorophenyl)phosphine Oxide; Di(4-fluorophenyl)phosphine Oxide; (4-Fluorophenyl)phosphinic Acid, (4-Fluorophenyl) Ester; Phosphinic Acid, P,P-Bis(4-fluorophenyl)-; 4,4'-Difluorodiphenylphosphine Oxide; 94940-35-9; Bis(4-fluorophenyl)phosphine oxide
EINECS	Contact for details

Quality Control

Our Bis(4-Fluorophenyl)-Phosphine Oxide is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure high purity and consistent performance. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, prolonged exposure to light should be avoided.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 20 ppm

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