Description

Bis(4-Chlorophenyl)Phosphine Oxide is a versatile organophosphorus compound characterized by its central phosphorus atom bonded to two 4-chlorophenyl groups and an oxygen atom. This structure makes it a valuable intermediate and ligand precursor in advanced chemical synthesis, particularly for creating complex molecules with specific electronic and steric properties. It is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty materials sectors who require high-purity building blocks for catalysis and material science applications.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring phosphine oxide or phosphine ligand frameworks.
• Ligand Precursor: Used to synthesize specialized phosphine ligands for transition metal catalysis, including cross-coupling reactions critical for fine chemical production.
• Agrochemical Synthesis: Serves as an intermediate in the development of novel herbicides, insecticides, and plant growth regulators.
• Flame Retardant Component: Incorporated as a synergist or additive in flame-retardant formulations for polymers and plastics.
• Material Science Research: Employed in the development of organic electronic materials, such as OLEDs and photovoltaics, due to its electron-accepting properties.
• Polymer Modification: Acts as a monomer or additive to impart specific characteristics like thermal stability or flame resistance to engineered polymers.

Basic Information

Product Name	Bis(4-Chlorophenyl)Phosphine Oxide
CAS No.	15948-60-4
Molecular Formula	C12H9Cl2OP
Molecular Weight	271.08 g/mol
Synonyms	Bis(p-Chlorophenyl)Phosphine Oxide; Di(4-chlorophenyl)phosphine oxide; Phosphine oxide, bis(4-chlorophenyl)-; (4-Chlorophenyl)phosphine oxide dimer; p,p'-Dichlorodiphenylphosphine oxide; 4,4'-Dichlorodiphenylphosphine oxide; NSC 163082
EINECS	240-100-8

Quality Control

Our Bis(4-Chlorophenyl)Phosphine Oxide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure high purity and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all specifications and test results. Our quality commitment ensures the material meets the stringent requirements for research and industrial synthesis.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and strong bases. The compound may be light-sensitive; prolonged exposure to light should be avoided.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	118 - 122 °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.