Description

Methyldiphenylphosphine is a versatile organophosphorus compound widely used as a key ligand in transition metal catalysis. Its primary value lies in its ability to facilitate a range of cross-coupling and other organometallic reactions critical for fine chemical and pharmaceutical synthesis. This product is essential for R&D chemists and process engineers in the pharmaceutical, agrochemical, and advanced materials sectors who require reliable, high-purity ligands for catalyst development and scale-up.

Application

• As a ligand in palladium-catalyzed cross-coupling reactions (e.g., Suzuki, Heck, Stille).
• Catalyst component for hydroformylation and hydrogenation processes.
• Precursor for the synthesis of quaternary phosphonium salts with applications in phase-transfer catalysis.
• Key intermediate in the preparation of photoinitiators and flame retardants.
• Used in material science research for developing novel metal-organic frameworks (MOFs) and polymers.
• Employed in asymmetric synthesis when used in chiral catalyst systems.
• Research chemical for studying reaction mechanisms in organometallic chemistry.

Basic Information

Product Name	Methyldiphenylphosphine
CAS No.	1486-28-8
Molecular Formula	C13H13P
Molecular Weight	200.22 g/mol
Synonyms	Methyl(diphenyl)phosphine; Diphenylmethylphosphine; (Methyl)diphenylphosphane; P-Methyl-P,P-diphenylphosphine; Methyldiphenylphosphane; NSC 66499; Methyldiphenylphosphine (MDPP); Methyl(diphenyl)phosphane
EINECS	216-062-6

Quality Control

Our Methyldiphenylphosphine is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including GC, NMR, and titration, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee compliance with your research and production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (nitrogen or argon) at room temperature (15-25°C) in a cool, dry, and well-ventilated area. Due to its sensitivity to oxygen and moisture, containers should be purged with inert gas after each opening to maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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