Description

Diphenyl(Phenylsulfinylmethyl)Phosphine Oxide is a specialized organophosphorus compound with a sulfinyl functional group, serving as a versatile intermediate in advanced chemical synthesis. Its unique structure makes it valuable for constructing complex molecules, particularly in the development of pharmaceuticals and functional materials. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop new active ingredients or ligands.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those targeting neurological or oncological pathways.
• Ligand Precursor in Catalysis: Used to develop chiral or bidentate ligands for transition metal-catalyzed reactions, such as cross-coupling or asymmetric hydrogenation.
• Agrochemical Research: Employed in the creation of new active ingredients for crop protection products, leveraging its phosphorus and sulfur chemistry.
• Material Science: Acts as a monomer or additive in the synthesis of specialty polymers, flame retardants, or materials with specific electronic properties.
• Organic Synthesis Reagent: Utilized in various name reactions as a phosphorylating agent or to introduce the phenylsulfinylmethyl moiety into target molecules.

Basic Information

Product Name	Diphenyl(Phenylsulfinylmethyl)Phosphine Oxide
CAS No.	87762-75-2
Molecular Formula	C19H17O2PS
Molecular Weight	340.37 g/mol
Synonyms	[(Phenylsulfinyl)methyl]diphenylphosphine oxide; (Phenylsulfinylmethanetriyl)tris(benzene); Diphenyl[(phenylsulfinyl)methyl]phosphine oxide; Phosphine oxide, [(phenylsulfinyl)methyl]diphenyl-; (Phenylsulfinylmethyl)diphenylphosphine oxide; (Phenylsulfonylmethyl)diphenylphosphine oxide (common misnomer); P,P-Diphenyl-P-[(phenylsulfinyl)methyl]phosphine oxide
EINECS	Contact for details

Quality Control

Our Diphenyl(Phenylsulfinylmethyl)Phosphine Oxide is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure it meets the high standards required for research and industrial synthesis. A Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation.

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.