Description

Bis(p-Chlorophenyl)Phenylphosphine Oxide is a specialized organophosphorus compound that serves as a key intermediate and ligand in advanced chemical synthesis. Its value lies in its ability to impart unique reactivity and selectivity in catalytic processes and polymer modifications. This product is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries who require high-purity functional additives and building blocks.

Application

• As a ligand or catalyst precursor in transition metal-catalyzed cross-coupling reactions (e.g., Suzuki, Heck).
• As a flame retardant synergist or additive in engineering plastics and epoxy resin formulations.
• As a key chemical intermediate in the synthesis of more complex phosphine derivatives and organophosphorus compounds.
• In agrochemical research for the development of novel pesticides and herbicides.
• For pharmaceutical research applications, particularly in constructing molecules with specific phosphorus-containing functional groups.
• As a potential stabilizer or modifier in high-performance polymer systems to enhance thermal or chemical resistance.

Basic Information

Product Name	Bis(p-Chlorophenyl)Phenylphosphine Oxide
CAS No.	54300-33-3
Molecular Formula	C18H13Cl2OP
Molecular Weight	347.17 g/mol
Synonyms	Bis(4-Chlorophenyl)Phenylphosphine Oxide; Phenylbis(4-chlorophenyl)phosphine Oxide; (4-Chlorophenyl)phenylphosphinic Acid Chloride Derivative; Phosphine Oxide, Bis(p-chlorophenyl)phenyl-; NSC 163082; Bis(4-Chlorophenyl)(Phenyl)Phosphine Oxide; P,P-Bis(4-chlorophenyl)-P-phenylphosphine oxide
EINECS	Contact for details

Quality Control

Our Bis(p-Chlorophenyl)Phenylphosphine Oxide is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets precise customer requirements and internal specifications. Certificates of Analysis (COA) documenting all critical quality attributes are available upon request.

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 incompatible materials. Due to its light-sensitive nature, containers should be opaque or stored in darkness.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
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.