Description

Tri(4-Chlorophenyl)Phosphine Oxide is a specialized organophosphorus compound characterized by its three aromatic chlorophenyl groups bonded to a central phosphoryl group. This structure makes it a valuable intermediate and ligand in advanced chemical synthesis, offering unique electronic and steric properties. It is primarily sought after by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and materials science sectors for applications in catalysis and as a building block for complex molecules.

Application

• As a key ligand or precursor in transition metal catalysis for cross-coupling reactions.
• Intermediate in the synthesis of novel pharmaceuticals and active pharmaceutical ingredients (APIs).
• Building block for advanced materials, including flame retardants and specialty polymers.
• Research chemical for developing new agrochemical compounds and pesticides.
• Component in the synthesis of photoinitiators and other functional additives.
• Used in academic and industrial R&D for exploring new organophosphorus chemistry.

Basic Information

Product Name	Tri(4-Chlorophenyl)Phosphine Oxide
CAS No.	4576-56-1
Molecular Formula	C18H12Cl3OP
Molecular Weight	381.62 g/mol
Synonyms	Tris(4-chlorophenyl)phosphine oxide; Phosphine oxide, tris(p-chlorophenyl)-; Tris(p-chlorophenyl)phosphine oxide; (4-Chlorophenyl)diphenylphosphine oxide (isomer); P,P,P-Tris(4-chlorophenyl)phosphine oxide; 4576-56-1; Tris(4-Cl-Ph)3PO
EINECS	Contact for details

Quality Control

Our Tri(4-Chlorophenyl)Phosphine Oxide is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for research and industrial use. A Certificate of Analysis (COA) detailing specific results is provided with every shipment to guarantee traceability and consistency.

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 incompatible materials.

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%
Residue on Ignition	≤ 0.1%

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