Description

Diphenyl(p-Tolyl)Phosphine Oxide is a versatile organophosphorus compound characterized by its phosphine oxide functional group. This compound is a valuable intermediate and ligand in advanced organic synthesis and catalysis, prized for its ability to influence reaction pathways and product selectivity. It is primarily needed by R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty chemical industries for developing new active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Catalyst Ligand: Used as a ligand in transition metal-catalyzed cross-coupling reactions, such as Suzuki-Miyaura and Heck reactions.
• Agrochemical Synthesis: Employed in the production of advanced pesticides, herbicides, and plant growth regulators.
• Material Science Precursor: Serves as a monomer or additive in the development of specialty polymers and flame-retardant materials.
• Organic Synthesis Reagent: Utilized in various organic transformations, including Wittig-type reactions and as a stabilizing agent.
• Research & Development: A critical tool in academic and industrial laboratories for methodological development and exploring new chemical entities.

Basic Information

Product Name	Diphenyl(p-Tolyl)Phosphine Oxide
CAS No.	6840-28-4
Molecular Formula	C19H17OP
Molecular Weight	292.31 g/mol
Synonyms	p-Tolyldiphenylphosphine oxide; (4-Methylphenyl)diphenylphosphine oxide; Diphenyl(4-methylphenyl)phosphine oxide; Phosphine oxide, diphenyl(p-tolyl)-; Diphenyl tolylphosphine oxide; Tolyl diphenylphosphine oxide
EINECS	Contact for details

Quality Control

Our Diphenyl(p-Tolyl)Phosphine Oxide is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

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). This product is hygroscopic (moisture-sensitive); keep the container tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%

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